| blob | 790e7ec8ccaa8a2bfb472960f34d8c5c763b604d |
1 /*!
2 * jQuery JavaScript Library v3.5.1 -ajax,-ajax/jsonp,-ajax/load,-ajax/script,-ajax/var/location,-ajax/var/nonce,-ajax/var/rquery,-ajax/xhr,-manipulation/_evalUrl,-deprecated/ajax-event-alias,-effects,-effects/Tween,-effects/animatedSelector
3 * https://jquery.com/
4 *
5 * Includes Sizzle.js
6 * https://sizzlejs.com/
7 *
8 * Copyright JS Foundation and other contributors
9 * Released under the MIT license
10 * https://jquery.org/license
11 *
12 * Date: 2020-05-04T22:49Z
13 */
14 ( function( global, factory ) {
16 "use strict";
18 if ( typeof module === "object" && typeof module.exports === "object" ) {
20 // For CommonJS and CommonJS-like environments where a proper `window`
21 // is present, execute the factory and get jQuery.
22 // For environments that do not have a `window` with a `document`
23 // (such as Node.js), expose a factory as module.exports.
24 // This accentuates the need for the creation of a real `window`.
25 // e.g. var jQuery = require("jquery")(window);
26 // See ticket #14549 for more info.
27 module.exports = global.document ?
28 factory( global, true ) :
29 function( w ) {
30 if ( !w.document ) {
31 throw new Error( "jQuery requires a window with a document" );
32 }
33 return factory( w );
34 };
35 } else {
36 factory( global );
37 }
39 // Pass this if window is not defined yet
40 } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
42 // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
43 // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
44 // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
45 // enough that all such attempts are guarded in a try block.
46 "use strict";
48 var arr = [];
50 var getProto = Object.getPrototypeOf;
52 var slice = arr.slice;
54 var flat = arr.flat ? function( array ) {
55 return arr.flat.call( array );
56 } : function( array ) {
57 return arr.concat.apply( [], array );
58 };
61 var push = arr.push;
63 var indexOf = arr.indexOf;
65 var class2type = {};
67 var toString = class2type.toString;
69 var hasOwn = class2type.hasOwnProperty;
71 var fnToString = hasOwn.toString;
73 var ObjectFunctionString = fnToString.call( Object );
75 var support = {};
77 var isFunction = function isFunction( obj ) {
79 // Support: Chrome <=57, Firefox <=52
80 // In some browsers, typeof returns "function" for HTML <object> elements
81 // (i.e., `typeof document.createElement( "object" ) === "function"`).
82 // We don't want to classify *any* DOM node as a function.
83 return typeof obj === "function" && typeof obj.nodeType !== "number";
84 };
87 var isWindow = function isWindow( obj ) {
88 return obj != null && obj === obj.window;
89 };
92 var document = window.document;
96 var preservedScriptAttributes = {
97 type: true,
98 src: true,
99 nonce: true,
100 noModule: true
101 };
103 function DOMEval( code, node, doc ) {
104 doc = doc || document;
106 var i, val,
107 script = doc.createElement( "script" );
109 script.text = code;
110 if ( node ) {
111 for ( i in preservedScriptAttributes ) {
113 // Support: Firefox 64+, Edge 18+
114 // Some browsers don't support the "nonce" property on scripts.
115 // On the other hand, just using `getAttribute` is not enough as
116 // the `nonce` attribute is reset to an empty string whenever it
117 // becomes browsing-context connected.
118 // See https://github.com/whatwg/html/issues/2369
119 // See https://html.spec.whatwg.org/#nonce-attributes
120 // The `node.getAttribute` check was added for the sake of
121 // `jQuery.globalEval` so that it can fake a nonce-containing node
122 // via an object.
123 val = node[ i ] || node.getAttribute && node.getAttribute( i );
124 if ( val ) {
125 script.setAttribute( i, val );
126 }
127 }
128 }
129 doc.head.appendChild( script ).parentNode.removeChild( script );
130 }
133 function toType( obj ) {
134 if ( obj == null ) {
135 return obj + "";
136 }
138 // Support: Android <=2.3 only (functionish RegExp)
139 return typeof obj === "object" || typeof obj === "function" ?
140 class2type[ toString.call( obj ) ] || "object" :
141 typeof obj;
142 }
143 /* global Symbol */
144 // Defining this global in .eslintrc.json would create a danger of using the global
145 // unguarded in another place, it seems safer to define global only for this module
149 var
150 version = "3.5.1 -ajax,-ajax/jsonp,-ajax/load,-ajax/script,-ajax/var/location,-ajax/var/nonce,-ajax/var/rquery,-ajax/xhr,-manipulation/_evalUrl,-deprecated/ajax-event-alias,-effects,-effects/Tween,-effects/animatedSelector",
152 // Define a local copy of jQuery
153 jQuery = function( selector, context ) {
155 // The jQuery object is actually just the init constructor 'enhanced'
156 // Need init if jQuery is called (just allow error to be thrown if not included)
157 return new jQuery.fn.init( selector, context );
158 };
160 jQuery.fn = jQuery.prototype = {
162 // The current version of jQuery being used
163 jquery: version,
165 constructor: jQuery,
167 // The default length of a jQuery object is 0
168 length: 0,
170 toArray: function() {
171 return slice.call( this );
172 },
174 // Get the Nth element in the matched element set OR
175 // Get the whole matched element set as a clean array
176 get: function( num ) {
178 // Return all the elements in a clean array
179 if ( num == null ) {
180 return slice.call( this );
181 }
183 // Return just the one element from the set
184 return num < 0 ? this[ num + this.length ] : this[ num ];
185 },
187 // Take an array of elements and push it onto the stack
188 // (returning the new matched element set)
189 pushStack: function( elems ) {
191 // Build a new jQuery matched element set
192 var ret = jQuery.merge( this.constructor(), elems );
194 // Add the old object onto the stack (as a reference)
195 ret.prevObject = this;
197 // Return the newly-formed element set
198 return ret;
199 },
201 // Execute a callback for every element in the matched set.
202 each: function( callback ) {
203 return jQuery.each( this, callback );
204 },
206 map: function( callback ) {
207 return this.pushStack( jQuery.map( this, function( elem, i ) {
208 return callback.call( elem, i, elem );
209 } ) );
210 },
212 slice: function() {
213 return this.pushStack( slice.apply( this, arguments ) );
214 },
216 first: function() {
217 return this.eq( 0 );
218 },
220 last: function() {
221 return this.eq( -1 );
222 },
224 even: function() {
225 return this.pushStack( jQuery.grep( this, function( _elem, i ) {
226 return ( i + 1 ) % 2;
227 } ) );
228 },
230 odd: function() {
231 return this.pushStack( jQuery.grep( this, function( _elem, i ) {
232 return i % 2;
233 } ) );
234 },
236 eq: function( i ) {
237 var len = this.length,
238 j = +i + ( i < 0 ? len : 0 );
239 return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
240 },
242 end: function() {
243 return this.prevObject || this.constructor();
244 },
246 // For internal use only.
247 // Behaves like an Array's method, not like a jQuery method.
248 push: push,
249 sort: arr.sort,
250 splice: arr.splice
251 };
253 jQuery.extend = jQuery.fn.extend = function() {
254 var options, name, src, copy, copyIsArray, clone,
255 target = arguments[ 0 ] || {},
256 i = 1,
257 length = arguments.length,
258 deep = false;
260 // Handle a deep copy situation
261 if ( typeof target === "boolean" ) {
262 deep = target;
264 // Skip the boolean and the target
265 target = arguments[ i ] || {};
266 i++;
267 }
269 // Handle case when target is a string or something (possible in deep copy)
270 if ( typeof target !== "object" && !isFunction( target ) ) {
271 target = {};
272 }
274 // Extend jQuery itself if only one argument is passed
275 if ( i === length ) {
276 target = this;
277 i--;
278 }
280 for ( ; i < length; i++ ) {
282 // Only deal with non-null/undefined values
283 if ( ( options = arguments[ i ] ) != null ) {
285 // Extend the base object
286 for ( name in options ) {
287 copy = options[ name ];
289 // Prevent Object.prototype pollution
290 // Prevent never-ending loop
291 if ( name === "__proto__" || target === copy ) {
292 continue;
293 }
295 // Recurse if we're merging plain objects or arrays
296 if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
297 ( copyIsArray = Array.isArray( copy ) ) ) ) {
298 src = target[ name ];
300 // Ensure proper type for the source value
301 if ( copyIsArray && !Array.isArray( src ) ) {
302 clone = [];
303 } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
304 clone = {};
305 } else {
306 clone = src;
307 }
308 copyIsArray = false;
310 // Never move original objects, clone them
311 target[ name ] = jQuery.extend( deep, clone, copy );
313 // Don't bring in undefined values
314 } else if ( copy !== undefined ) {
315 target[ name ] = copy;
316 }
317 }
318 }
319 }
321 // Return the modified object
322 return target;
323 };
325 jQuery.extend( {
327 // Unique for each copy of jQuery on the page
328 expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
330 // Assume jQuery is ready without the ready module
331 isReady: true,
333 error: function( msg ) {
334 throw new Error( msg );
335 },
337 noop: function() {},
339 isPlainObject: function( obj ) {
340 var proto, Ctor;
342 // Detect obvious negatives
343 // Use toString instead of jQuery.type to catch host objects
344 if ( !obj || toString.call( obj ) !== "[object Object]" ) {
345 return false;
346 }
348 proto = getProto( obj );
350 // Objects with no prototype (e.g., `Object.create( null )`) are plain
351 if ( !proto ) {
352 return true;
353 }
355 // Objects with prototype are plain iff they were constructed by a global Object function
356 Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
357 return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
358 },
360 isEmptyObject: function( obj ) {
361 var name;
363 for ( name in obj ) {
364 return false;
365 }
366 return true;
367 },
369 // Evaluates a script in a provided context; falls back to the global one
370 // if not specified.
371 globalEval: function( code, options, doc ) {
372 DOMEval( code, { nonce: options && options.nonce }, doc );
373 },
375 each: function( obj, callback ) {
376 var length, i = 0;
378 if ( isArrayLike( obj ) ) {
379 length = obj.length;
380 for ( ; i < length; i++ ) {
381 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
382 break;
383 }
384 }
385 } else {
386 for ( i in obj ) {
387 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
388 break;
389 }
390 }
391 }
393 return obj;
394 },
396 // results is for internal usage only
397 makeArray: function( arr, results ) {
398 var ret = results || [];
400 if ( arr != null ) {
401 if ( isArrayLike( Object( arr ) ) ) {
402 jQuery.merge( ret,
403 typeof arr === "string" ?
404 [ arr ] : arr
405 );
406 } else {
407 push.call( ret, arr );
408 }
409 }
411 return ret;
412 },
414 inArray: function( elem, arr, i ) {
415 return arr == null ? -1 : indexOf.call( arr, elem, i );
416 },
418 // Support: Android <=4.0 only, PhantomJS 1 only
419 // push.apply(_, arraylike) throws on ancient WebKit
420 merge: function( first, second ) {
421 var len = +second.length,
422 j = 0,
423 i = first.length;
425 for ( ; j < len; j++ ) {
426 first[ i++ ] = second[ j ];
427 }
429 first.length = i;
431 return first;
432 },
434 grep: function( elems, callback, invert ) {
435 var callbackInverse,
436 matches = [],
437 i = 0,
438 length = elems.length,
439 callbackExpect = !invert;
441 // Go through the array, only saving the items
442 // that pass the validator function
443 for ( ; i < length; i++ ) {
444 callbackInverse = !callback( elems[ i ], i );
445 if ( callbackInverse !== callbackExpect ) {
446 matches.push( elems[ i ] );
447 }
448 }
450 return matches;
451 },
453 // arg is for internal usage only
454 map: function( elems, callback, arg ) {
455 var length, value,
456 i = 0,
457 ret = [];
459 // Go through the array, translating each of the items to their new values
460 if ( isArrayLike( elems ) ) {
461 length = elems.length;
462 for ( ; i < length; i++ ) {
463 value = callback( elems[ i ], i, arg );
465 if ( value != null ) {
466 ret.push( value );
467 }
468 }
470 // Go through every key on the object,
471 } else {
472 for ( i in elems ) {
473 value = callback( elems[ i ], i, arg );
475 if ( value != null ) {
476 ret.push( value );
477 }
478 }
479 }
481 // Flatten any nested arrays
482 return flat( ret );
483 },
485 // A global GUID counter for objects
486 guid: 1,
488 // jQuery.support is not used in Core but other projects attach their
489 // properties to it so it needs to exist.
490 support: support
491 } );
493 if ( typeof Symbol === "function" ) {
494 jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
495 }
497 // Populate the class2type map
498 jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
499 function( _i, name ) {
500 class2type[ "[object " + name + "]" ] = name.toLowerCase();
501 } );
503 function isArrayLike( obj ) {
505 // Support: real iOS 8.2 only (not reproducible in simulator)
506 // `in` check used to prevent JIT error (gh-2145)
507 // hasOwn isn't used here due to false negatives
508 // regarding Nodelist length in IE
509 var length = !!obj && "length" in obj && obj.length,
510 type = toType( obj );
512 if ( isFunction( obj ) || isWindow( obj ) ) {
513 return false;
514 }
516 return type === "array" || length === 0 ||
517 typeof length === "number" && length > 0 && ( length - 1 ) in obj;
518 }
519 var Sizzle =
520 /*!
521 * Sizzle CSS Selector Engine v2.3.5
522 * https://sizzlejs.com/
523 *
524 * Copyright JS Foundation and other contributors
525 * Released under the MIT license
526 * https://js.foundation/
527 *
528 * Date: 2020-03-14
529 */
530 ( function( window ) {
531 var i,
532 support,
533 Expr,
534 getText,
535 isXML,
536 tokenize,
537 compile,
538 select,
539 outermostContext,
540 sortInput,
541 hasDuplicate,
543 // Local document vars
544 setDocument,
545 document,
546 docElem,
547 documentIsHTML,
548 rbuggyQSA,
549 rbuggyMatches,
550 matches,
551 contains,
553 // Instance-specific data
554 expando = "sizzle" + 1 * new Date(),
555 preferredDoc = window.document,
556 dirruns = 0,
557 done = 0,
558 classCache = createCache(),
559 tokenCache = createCache(),
560 compilerCache = createCache(),
561 nonnativeSelectorCache = createCache(),
562 sortOrder = function( a, b ) {
563 if ( a === b ) {
564 hasDuplicate = true;
565 }
566 return 0;
567 },
569 // Instance methods
570 hasOwn = ( {} ).hasOwnProperty,
571 arr = [],
572 pop = arr.pop,
573 pushNative = arr.push,
574 push = arr.push,
575 slice = arr.slice,
577 // Use a stripped-down indexOf as it's faster than native
578 // https://jsperf.com/thor-indexof-vs-for/5
579 indexOf = function( list, elem ) {
580 var i = 0,
581 len = list.length;
582 for ( ; i < len; i++ ) {
583 if ( list[ i ] === elem ) {
584 return i;
585 }
586 }
587 return -1;
588 },
590 booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|" +
591 "ismap|loop|multiple|open|readonly|required|scoped",
593 // Regular expressions
595 // http://www.w3.org/TR/css3-selectors/#whitespace
596 whitespace = "[\\x20\\t\\r\\n\\f]",
598 // https://www.w3.org/TR/css-syntax-3/#ident-token-diagram
599 identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace +
600 "?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+",
602 // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
603 attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
605 // Operator (capture 2)
606 "*([*^$|!~]?=)" + whitespace +
608 // "Attribute values must be CSS identifiers [capture 5]
609 // or strings [capture 3 or capture 4]"
610 "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" +
611 whitespace + "*\\]",
613 pseudos = ":(" + identifier + ")(?:\\((" +
615 // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
616 // 1. quoted (capture 3; capture 4 or capture 5)
617 "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
619 // 2. simple (capture 6)
620 "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
622 // 3. anything else (capture 2)
623 ".*" +
624 ")\\)|)",
626 // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
627 rwhitespace = new RegExp( whitespace + "+", "g" ),
628 rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" +
629 whitespace + "+$", "g" ),
631 rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
632 rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace +
633 "*" ),
634 rdescend = new RegExp( whitespace + "|>" ),
636 rpseudo = new RegExp( pseudos ),
637 ridentifier = new RegExp( "^" + identifier + "$" ),
639 matchExpr = {
640 "ID": new RegExp( "^#(" + identifier + ")" ),
641 "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
642 "TAG": new RegExp( "^(" + identifier + "|[*])" ),
643 "ATTR": new RegExp( "^" + attributes ),
644 "PSEUDO": new RegExp( "^" + pseudos ),
645 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" +
646 whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" +
647 whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
648 "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
650 // For use in libraries implementing .is()
651 // We use this for POS matching in `select`
652 "needsContext": new RegExp( "^" + whitespace +
653 "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace +
654 "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
655 },
657 rhtml = /HTML$/i,
658 rinputs = /^(?:input|select|textarea|button)$/i,
659 rheader = /^h\d$/i,
661 rnative = /^[^{]+\{\s*\[native \w/,
663 // Easily-parseable/retrievable ID or TAG or CLASS selectors
664 rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
666 rsibling = /[+~]/,
668 // CSS escapes
669 // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
670 runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\([^\\r\\n\\f])", "g" ),
671 funescape = function( escape, nonHex ) {
672 var high = "0x" + escape.slice( 1 ) - 0x10000;
674 return nonHex ?
676 // Strip the backslash prefix from a non-hex escape sequence
677 nonHex :
679 // Replace a hexadecimal escape sequence with the encoded Unicode code point
680 // Support: IE <=11+
681 // For values outside the Basic Multilingual Plane (BMP), manually construct a
682 // surrogate pair
683 high < 0 ?
684 String.fromCharCode( high + 0x10000 ) :
685 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
686 },
688 // CSS string/identifier serialization
689 // https://drafts.csswg.org/cssom/#common-serializing-idioms
690 rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
691 fcssescape = function( ch, asCodePoint ) {
692 if ( asCodePoint ) {
694 // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
695 if ( ch === "\0" ) {
696 return "\uFFFD";
697 }
699 // Control characters and (dependent upon position) numbers get escaped as code points
700 return ch.slice( 0, -1 ) + "\\" +
701 ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
702 }
704 // Other potentially-special ASCII characters get backslash-escaped
705 return "\\" + ch;
706 },
708 // Used for iframes
709 // See setDocument()
710 // Removing the function wrapper causes a "Permission Denied"
711 // error in IE
712 unloadHandler = function() {
713 setDocument();
714 },
716 inDisabledFieldset = addCombinator(
717 function( elem ) {
718 return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
719 },
720 { dir: "parentNode", next: "legend" }
721 );
723 // Optimize for push.apply( _, NodeList )
724 try {
725 push.apply(
726 ( arr = slice.call( preferredDoc.childNodes ) ),
727 preferredDoc.childNodes
728 );
730 // Support: Android<4.0
731 // Detect silently failing push.apply
732 // eslint-disable-next-line no-unused-expressions
733 arr[ preferredDoc.childNodes.length ].nodeType;
734 } catch ( e ) {
735 push = { apply: arr.length ?
737 // Leverage slice if possible
738 function( target, els ) {
739 pushNative.apply( target, slice.call( els ) );
740 } :
742 // Support: IE<9
743 // Otherwise append directly
744 function( target, els ) {
745 var j = target.length,
746 i = 0;
748 // Can't trust NodeList.length
749 while ( ( target[ j++ ] = els[ i++ ] ) ) {}
750 target.length = j - 1;
751 }
752 };
753 }
755 function Sizzle( selector, context, results, seed ) {
756 var m, i, elem, nid, match, groups, newSelector,
757 newContext = context && context.ownerDocument,
759 // nodeType defaults to 9, since context defaults to document
760 nodeType = context ? context.nodeType : 9;
762 results = results || [];
764 // Return early from calls with invalid selector or context
765 if ( typeof selector !== "string" || !selector ||
766 nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
768 return results;
769 }
771 // Try to shortcut find operations (as opposed to filters) in HTML documents
772 if ( !seed ) {
773 setDocument( context );
774 context = context || document;
776 if ( documentIsHTML ) {
778 // If the selector is sufficiently simple, try using a "get*By*" DOM method
779 // (excepting DocumentFragment context, where the methods don't exist)
780 if ( nodeType !== 11 && ( match = rquickExpr.exec( selector ) ) ) {
782 // ID selector
783 if ( ( m = match[ 1 ] ) ) {
785 // Document context
786 if ( nodeType === 9 ) {
787 if ( ( elem = context.getElementById( m ) ) ) {
789 // Support: IE, Opera, Webkit
790 // TODO: identify versions
791 // getElementById can match elements by name instead of ID
792 if ( elem.id === m ) {
793 results.push( elem );
794 return results;
795 }
796 } else {
797 return results;
798 }
800 // Element context
801 } else {
803 // Support: IE, Opera, Webkit
804 // TODO: identify versions
805 // getElementById can match elements by name instead of ID
806 if ( newContext && ( elem = newContext.getElementById( m ) ) &&
807 contains( context, elem ) &&
808 elem.id === m ) {
810 results.push( elem );
811 return results;
812 }
813 }
815 // Type selector
816 } else if ( match[ 2 ] ) {
817 push.apply( results, context.getElementsByTagName( selector ) );
818 return results;
820 // Class selector
821 } else if ( ( m = match[ 3 ] ) && support.getElementsByClassName &&
822 context.getElementsByClassName ) {
824 push.apply( results, context.getElementsByClassName( m ) );
825 return results;
826 }
827 }
829 // Take advantage of querySelectorAll
830 if ( support.qsa &&
831 !nonnativeSelectorCache[ selector + " " ] &&
832 ( !rbuggyQSA || !rbuggyQSA.test( selector ) ) &&
834 // Support: IE 8 only
835 // Exclude object elements
836 ( nodeType !== 1 || context.nodeName.toLowerCase() !== "object" ) ) {
838 newSelector = selector;
839 newContext = context;
841 // qSA considers elements outside a scoping root when evaluating child or
842 // descendant combinators, which is not what we want.
843 // In such cases, we work around the behavior by prefixing every selector in the
844 // list with an ID selector referencing the scope context.
845 // The technique has to be used as well when a leading combinator is used
846 // as such selectors are not recognized by querySelectorAll.
847 // Thanks to Andrew Dupont for this technique.
848 if ( nodeType === 1 &&
849 ( rdescend.test( selector ) || rcombinators.test( selector ) ) ) {
851 // Expand context for sibling selectors
852 newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
853 context;
855 // We can use :scope instead of the ID hack if the browser
856 // supports it & if we're not changing the context.
857 if ( newContext !== context || !support.scope ) {
859 // Capture the context ID, setting it first if necessary
860 if ( ( nid = context.getAttribute( "id" ) ) ) {
861 nid = nid.replace( rcssescape, fcssescape );
862 } else {
863 context.setAttribute( "id", ( nid = expando ) );
864 }
865 }
867 // Prefix every selector in the list
868 groups = tokenize( selector );
869 i = groups.length;
870 while ( i-- ) {
871 groups[ i ] = ( nid ? "#" + nid : ":scope" ) + " " +
872 toSelector( groups[ i ] );
873 }
874 newSelector = groups.join( "," );
875 }
877 try {
878 push.apply( results,
879 newContext.querySelectorAll( newSelector )
880 );
881 return results;
882 } catch ( qsaError ) {
883 nonnativeSelectorCache( selector, true );
884 } finally {
885 if ( nid === expando ) {
886 context.removeAttribute( "id" );
887 }
888 }
889 }
890 }
891 }
893 // All others
894 return select( selector.replace( rtrim, "$1" ), context, results, seed );
895 }
897 /**
898 * Create key-value caches of limited size
899 * @returns {function(string, object)} Returns the Object data after storing it on itself with
900 * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
901 * deleting the oldest entry
902 */
903 function createCache() {
904 var keys = [];
906 function cache( key, value ) {
908 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
909 if ( keys.push( key + " " ) > Expr.cacheLength ) {
911 // Only keep the most recent entries
912 delete cache[ keys.shift() ];
913 }
914 return ( cache[ key + " " ] = value );
915 }
916 return cache;
917 }
919 /**
920 * Mark a function for special use by Sizzle
921 * @param {Function} fn The function to mark
922 */
923 function markFunction( fn ) {
924 fn[ expando ] = true;
925 return fn;
926 }
928 /**
929 * Support testing using an element
930 * @param {Function} fn Passed the created element and returns a boolean result
931 */
932 function assert( fn ) {
933 var el = document.createElement( "fieldset" );
935 try {
936 return !!fn( el );
937 } catch ( e ) {
938 return false;
939 } finally {
941 // Remove from its parent by default
942 if ( el.parentNode ) {
943 el.parentNode.removeChild( el );
944 }
946 // release memory in IE
947 el = null;
948 }
949 }
951 /**
952 * Adds the same handler for all of the specified attrs
953 * @param {String} attrs Pipe-separated list of attributes
954 * @param {Function} handler The method that will be applied
955 */
956 function addHandle( attrs, handler ) {
957 var arr = attrs.split( "|" ),
958 i = arr.length;
960 while ( i-- ) {
961 Expr.attrHandle[ arr[ i ] ] = handler;
962 }
963 }
965 /**
966 * Checks document order of two siblings
967 * @param {Element} a
968 * @param {Element} b
969 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
970 */
971 function siblingCheck( a, b ) {
972 var cur = b && a,
973 diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
974 a.sourceIndex - b.sourceIndex;
976 // Use IE sourceIndex if available on both nodes
977 if ( diff ) {
978 return diff;
979 }
981 // Check if b follows a
982 if ( cur ) {
983 while ( ( cur = cur.nextSibling ) ) {
984 if ( cur === b ) {
985 return -1;
986 }
987 }
988 }
990 return a ? 1 : -1;
991 }
993 /**
994 * Returns a function to use in pseudos for input types
995 * @param {String} type
996 */
997 function createInputPseudo( type ) {
998 return function( elem ) {
999 var name = elem.nodeName.toLowerCase();
1000 return name === "input" && elem.type === type;
1001 };
1002 }
1004 /**
1005 * Returns a function to use in pseudos for buttons
1006 * @param {String} type
1007 */
1008 function createButtonPseudo( type ) {
1009 return function( elem ) {
1010 var name = elem.nodeName.toLowerCase();
1011 return ( name === "input" || name === "button" ) && elem.type === type;
1012 };
1013 }
1015 /**
1016 * Returns a function to use in pseudos for :enabled/:disabled
1017 * @param {Boolean} disabled true for :disabled; false for :enabled
1018 */
1019 function createDisabledPseudo( disabled ) {
1021 // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
1022 return function( elem ) {
1024 // Only certain elements can match :enabled or :disabled
1025 // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
1026 // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
1027 if ( "form" in elem ) {
1029 // Check for inherited disabledness on relevant non-disabled elements:
1030 // * listed form-associated elements in a disabled fieldset
1031 // https://html.spec.whatwg.org/multipage/forms.html#category-listed
1032 // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
1033 // * option elements in a disabled optgroup
1034 // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
1035 // All such elements have a "form" property.
1036 if ( elem.parentNode && elem.disabled === false ) {
1038 // Option elements defer to a parent optgroup if present
1039 if ( "label" in elem ) {
1040 if ( "label" in elem.parentNode ) {
1041 return elem.parentNode.disabled === disabled;
1042 } else {
1043 return elem.disabled === disabled;
1044 }
1045 }
1047 // Support: IE 6 - 11
1048 // Use the isDisabled shortcut property to check for disabled fieldset ancestors
1049 return elem.isDisabled === disabled ||
1051 // Where there is no isDisabled, check manually
1052 /* jshint -W018 */
1053 elem.isDisabled !== !disabled &&
1054 inDisabledFieldset( elem ) === disabled;
1055 }
1057 return elem.disabled === disabled;
1059 // Try to winnow out elements that can't be disabled before trusting the disabled property.
1060 // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
1061 // even exist on them, let alone have a boolean value.
1062 } else if ( "label" in elem ) {
1063 return elem.disabled === disabled;
1064 }
1066 // Remaining elements are neither :enabled nor :disabled
1067 return false;
1068 };
1069 }
1071 /**
1072 * Returns a function to use in pseudos for positionals
1073 * @param {Function} fn
1074 */
1075 function createPositionalPseudo( fn ) {
1076 return markFunction( function( argument ) {
1077 argument = +argument;
1078 return markFunction( function( seed, matches ) {
1079 var j,
1080 matchIndexes = fn( [], seed.length, argument ),
1081 i = matchIndexes.length;
1083 // Match elements found at the specified indexes
1084 while ( i-- ) {
1085 if ( seed[ ( j = matchIndexes[ i ] ) ] ) {
1086 seed[ j ] = !( matches[ j ] = seed[ j ] );
1087 }
1088 }
1089 } );
1090 } );
1091 }
1093 /**
1094 * Checks a node for validity as a Sizzle context
1095 * @param {Element|Object=} context
1096 * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1097 */
1098 function testContext( context ) {
1099 return context && typeof context.getElementsByTagName !== "undefined" && context;
1100 }
1102 // Expose support vars for convenience
1103 support = Sizzle.support = {};
1105 /**
1106 * Detects XML nodes
1107 * @param {Element|Object} elem An element or a document
1108 * @returns {Boolean} True iff elem is a non-HTML XML node
1109 */
1110 isXML = Sizzle.isXML = function( elem ) {
1111 var namespace = elem.namespaceURI,
1112 docElem = ( elem.ownerDocument || elem ).documentElement;
1114 // Support: IE <=8
1115 // Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
1116 // https://bugs.jquery.com/ticket/4833
1117 return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" );
1118 };
1120 /**
1121 * Sets document-related variables once based on the current document
1122 * @param {Element|Object} [doc] An element or document object to use to set the document
1123 * @returns {Object} Returns the current document
1124 */
1125 setDocument = Sizzle.setDocument = function( node ) {
1126 var hasCompare, subWindow,
1127 doc = node ? node.ownerDocument || node : preferredDoc;
1129 // Return early if doc is invalid or already selected
1130 // Support: IE 11+, Edge 17 - 18+
1131 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1132 // two documents; shallow comparisons work.
1133 // eslint-disable-next-line eqeqeq
1134 if ( doc == document || doc.nodeType !== 9 || !doc.documentElement ) {
1135 return document;
1136 }
1138 // Update global variables
1139 document = doc;
1140 docElem = document.documentElement;
1141 documentIsHTML = !isXML( document );
1143 // Support: IE 9 - 11+, Edge 12 - 18+
1144 // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
1145 // Support: IE 11+, Edge 17 - 18+
1146 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1147 // two documents; shallow comparisons work.
1148 // eslint-disable-next-line eqeqeq
1149 if ( preferredDoc != document &&
1150 ( subWindow = document.defaultView ) && subWindow.top !== subWindow ) {
1152 // Support: IE 11, Edge
1153 if ( subWindow.addEventListener ) {
1154 subWindow.addEventListener( "unload", unloadHandler, false );
1156 // Support: IE 9 - 10 only
1157 } else if ( subWindow.attachEvent ) {
1158 subWindow.attachEvent( "onunload", unloadHandler );
1159 }
1160 }
1162 // Support: IE 8 - 11+, Edge 12 - 18+, Chrome <=16 - 25 only, Firefox <=3.6 - 31 only,
1163 // Safari 4 - 5 only, Opera <=11.6 - 12.x only
1164 // IE/Edge & older browsers don't support the :scope pseudo-class.
1165 // Support: Safari 6.0 only
1166 // Safari 6.0 supports :scope but it's an alias of :root there.
1167 support.scope = assert( function( el ) {
1168 docElem.appendChild( el ).appendChild( document.createElement( "div" ) );
1169 return typeof el.querySelectorAll !== "undefined" &&
1170 !el.querySelectorAll( ":scope fieldset div" ).length;
1171 } );
1173 /* Attributes
1174 ---------------------------------------------------------------------- */
1176 // Support: IE<8
1177 // Verify that getAttribute really returns attributes and not properties
1178 // (excepting IE8 booleans)
1179 support.attributes = assert( function( el ) {
1180 el.className = "i";
1181 return !el.getAttribute( "className" );
1182 } );
1184 /* getElement(s)By*
1185 ---------------------------------------------------------------------- */
1187 // Check if getElementsByTagName("*") returns only elements
1188 support.getElementsByTagName = assert( function( el ) {
1189 el.appendChild( document.createComment( "" ) );
1190 return !el.getElementsByTagName( "*" ).length;
1191 } );
1193 // Support: IE<9
1194 support.getElementsByClassName = rnative.test( document.getElementsByClassName );
1196 // Support: IE<10
1197 // Check if getElementById returns elements by name
1198 // The broken getElementById methods don't pick up programmatically-set names,
1199 // so use a roundabout getElementsByName test
1200 support.getById = assert( function( el ) {
1201 docElem.appendChild( el ).id = expando;
1202 return !document.getElementsByName || !document.getElementsByName( expando ).length;
1203 } );
1205 // ID filter and find
1206 if ( support.getById ) {
1207 Expr.filter[ "ID" ] = function( id ) {
1208 var attrId = id.replace( runescape, funescape );
1209 return function( elem ) {
1210 return elem.getAttribute( "id" ) === attrId;
1211 };
1212 };
1213 Expr.find[ "ID" ] = function( id, context ) {
1214 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1215 var elem = context.getElementById( id );
1216 return elem ? [ elem ] : [];
1217 }
1218 };
1219 } else {
1220 Expr.filter[ "ID" ] = function( id ) {
1221 var attrId = id.replace( runescape, funescape );
1222 return function( elem ) {
1223 var node = typeof elem.getAttributeNode !== "undefined" &&
1224 elem.getAttributeNode( "id" );
1225 return node && node.value === attrId;
1226 };
1227 };
1229 // Support: IE 6 - 7 only
1230 // getElementById is not reliable as a find shortcut
1231 Expr.find[ "ID" ] = function( id, context ) {
1232 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1233 var node, i, elems,
1234 elem = context.getElementById( id );
1236 if ( elem ) {
1238 // Verify the id attribute
1239 node = elem.getAttributeNode( "id" );
1240 if ( node && node.value === id ) {
1241 return [ elem ];
1242 }
1244 // Fall back on getElementsByName
1245 elems = context.getElementsByName( id );
1246 i = 0;
1247 while ( ( elem = elems[ i++ ] ) ) {
1248 node = elem.getAttributeNode( "id" );
1249 if ( node && node.value === id ) {
1250 return [ elem ];
1251 }
1252 }
1253 }
1255 return [];
1256 }
1257 };
1258 }
1260 // Tag
1261 Expr.find[ "TAG" ] = support.getElementsByTagName ?
1262 function( tag, context ) {
1263 if ( typeof context.getElementsByTagName !== "undefined" ) {
1264 return context.getElementsByTagName( tag );
1266 // DocumentFragment nodes don't have gEBTN
1267 } else if ( support.qsa ) {
1268 return context.querySelectorAll( tag );
1269 }
1270 } :
1272 function( tag, context ) {
1273 var elem,
1274 tmp = [],
1275 i = 0,
1277 // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1278 results = context.getElementsByTagName( tag );
1280 // Filter out possible comments
1281 if ( tag === "*" ) {
1282 while ( ( elem = results[ i++ ] ) ) {
1283 if ( elem.nodeType === 1 ) {
1284 tmp.push( elem );
1285 }
1286 }
1288 return tmp;
1289 }
1290 return results;
1291 };
1293 // Class
1294 Expr.find[ "CLASS" ] = support.getElementsByClassName && function( className, context ) {
1295 if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
1296 return context.getElementsByClassName( className );
1297 }
1298 };
1300 /* QSA/matchesSelector
1301 ---------------------------------------------------------------------- */
1303 // QSA and matchesSelector support
1305 // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1306 rbuggyMatches = [];
1308 // qSa(:focus) reports false when true (Chrome 21)
1309 // We allow this because of a bug in IE8/9 that throws an error
1310 // whenever `document.activeElement` is accessed on an iframe
1311 // So, we allow :focus to pass through QSA all the time to avoid the IE error
1312 // See https://bugs.jquery.com/ticket/13378
1313 rbuggyQSA = [];
1315 if ( ( support.qsa = rnative.test( document.querySelectorAll ) ) ) {
1317 // Build QSA regex
1318 // Regex strategy adopted from Diego Perini
1319 assert( function( el ) {
1321 var input;
1323 // Select is set to empty string on purpose
1324 // This is to test IE's treatment of not explicitly
1325 // setting a boolean content attribute,
1326 // since its presence should be enough
1327 // https://bugs.jquery.com/ticket/12359
1328 docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
1329 "<select id='" + expando + "-\r\\' msallowcapture=''>" +
1330 "<option selected=''></option></select>";
1332 // Support: IE8, Opera 11-12.16
1333 // Nothing should be selected when empty strings follow ^= or $= or *=
1334 // The test attribute must be unknown in Opera but "safe" for WinRT
1335 // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1336 if ( el.querySelectorAll( "[msallowcapture^='']" ).length ) {
1337 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1338 }
1340 // Support: IE8
1341 // Boolean attributes and "value" are not treated correctly
1342 if ( !el.querySelectorAll( "[selected]" ).length ) {
1343 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1344 }
1346 // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
1347 if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1348 rbuggyQSA.push( "~=" );
1349 }
1351 // Support: IE 11+, Edge 15 - 18+
1352 // IE 11/Edge don't find elements on a `[name='']` query in some cases.
1353 // Adding a temporary attribute to the document before the selection works
1354 // around the issue.
1355 // Interestingly, IE 10 & older don't seem to have the issue.
1356 input = document.createElement( "input" );
1357 input.setAttribute( "name", "" );
1358 el.appendChild( input );
1359 if ( !el.querySelectorAll( "[name='']" ).length ) {
1360 rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" +
1361 whitespace + "*(?:''|\"\")" );
1362 }
1364 // Webkit/Opera - :checked should return selected option elements
1365 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1366 // IE8 throws error here and will not see later tests
1367 if ( !el.querySelectorAll( ":checked" ).length ) {
1368 rbuggyQSA.push( ":checked" );
1369 }
1371 // Support: Safari 8+, iOS 8+
1372 // https://bugs.webkit.org/show_bug.cgi?id=136851
1373 // In-page `selector#id sibling-combinator selector` fails
1374 if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
1375 rbuggyQSA.push( ".#.+[+~]" );
1376 }
1378 // Support: Firefox <=3.6 - 5 only
1379 // Old Firefox doesn't throw on a badly-escaped identifier.
1380 el.querySelectorAll( "\\\f" );
1381 rbuggyQSA.push( "[\\r\\n\\f]" );
1382 } );
1384 assert( function( el ) {
1385 el.innerHTML = "<a href='' disabled='disabled'></a>" +
1386 "<select disabled='disabled'><option/></select>";
1388 // Support: Windows 8 Native Apps
1389 // The type and name attributes are restricted during .innerHTML assignment
1390 var input = document.createElement( "input" );
1391 input.setAttribute( "type", "hidden" );
1392 el.appendChild( input ).setAttribute( "name", "D" );
1394 // Support: IE8
1395 // Enforce case-sensitivity of name attribute
1396 if ( el.querySelectorAll( "[name=d]" ).length ) {
1397 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1398 }
1400 // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1401 // IE8 throws error here and will not see later tests
1402 if ( el.querySelectorAll( ":enabled" ).length !== 2 ) {
1403 rbuggyQSA.push( ":enabled", ":disabled" );
1404 }
1406 // Support: IE9-11+
1407 // IE's :disabled selector does not pick up the children of disabled fieldsets
1408 docElem.appendChild( el ).disabled = true;
1409 if ( el.querySelectorAll( ":disabled" ).length !== 2 ) {
1410 rbuggyQSA.push( ":enabled", ":disabled" );
1411 }
1413 // Support: Opera 10 - 11 only
1414 // Opera 10-11 does not throw on post-comma invalid pseudos
1415 el.querySelectorAll( "*,:x" );
1416 rbuggyQSA.push( ",.*:" );
1417 } );
1418 }
1420 if ( ( support.matchesSelector = rnative.test( ( matches = docElem.matches ||
1421 docElem.webkitMatchesSelector ||
1422 docElem.mozMatchesSelector ||
1423 docElem.oMatchesSelector ||
1424 docElem.msMatchesSelector ) ) ) ) {
1426 assert( function( el ) {
1428 // Check to see if it's possible to do matchesSelector
1429 // on a disconnected node (IE 9)
1430 support.disconnectedMatch = matches.call( el, "*" );
1432 // This should fail with an exception
1433 // Gecko does not error, returns false instead
1434 matches.call( el, "[s!='']:x" );
1435 rbuggyMatches.push( "!=", pseudos );
1436 } );
1437 }
1439 rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join( "|" ) );
1440 rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join( "|" ) );
1442 /* Contains
1443 ---------------------------------------------------------------------- */
1444 hasCompare = rnative.test( docElem.compareDocumentPosition );
1446 // Element contains another
1447 // Purposefully self-exclusive
1448 // As in, an element does not contain itself
1449 contains = hasCompare || rnative.test( docElem.contains ) ?
1450 function( a, b ) {
1451 var adown = a.nodeType === 9 ? a.documentElement : a,
1452 bup = b && b.parentNode;
1453 return a === bup || !!( bup && bup.nodeType === 1 && (
1454 adown.contains ?
1455 adown.contains( bup ) :
1456 a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1457 ) );
1458 } :
1459 function( a, b ) {
1460 if ( b ) {
1461 while ( ( b = b.parentNode ) ) {
1462 if ( b === a ) {
1463 return true;
1464 }
1465 }
1466 }
1467 return false;
1468 };
1470 /* Sorting
1471 ---------------------------------------------------------------------- */
1473 // Document order sorting
1474 sortOrder = hasCompare ?
1475 function( a, b ) {
1477 // Flag for duplicate removal
1478 if ( a === b ) {
1479 hasDuplicate = true;
1480 return 0;
1481 }
1483 // Sort on method existence if only one input has compareDocumentPosition
1484 var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1485 if ( compare ) {
1486 return compare;
1487 }
1489 // Calculate position if both inputs belong to the same document
1490 // Support: IE 11+, Edge 17 - 18+
1491 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1492 // two documents; shallow comparisons work.
1493 // eslint-disable-next-line eqeqeq
1494 compare = ( a.ownerDocument || a ) == ( b.ownerDocument || b ) ?
1495 a.compareDocumentPosition( b ) :
1497 // Otherwise we know they are disconnected
1498 1;
1500 // Disconnected nodes
1501 if ( compare & 1 ||
1502 ( !support.sortDetached && b.compareDocumentPosition( a ) === compare ) ) {
1504 // Choose the first element that is related to our preferred document
1505 // Support: IE 11+, Edge 17 - 18+
1506 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1507 // two documents; shallow comparisons work.
1508 // eslint-disable-next-line eqeqeq
1509 if ( a == document || a.ownerDocument == preferredDoc &&
1510 contains( preferredDoc, a ) ) {
1511 return -1;
1512 }
1514 // Support: IE 11+, Edge 17 - 18+
1515 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1516 // two documents; shallow comparisons work.
1517 // eslint-disable-next-line eqeqeq
1518 if ( b == document || b.ownerDocument == preferredDoc &&
1519 contains( preferredDoc, b ) ) {
1520 return 1;
1521 }
1523 // Maintain original order
1524 return sortInput ?
1525 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1526 0;
1527 }
1529 return compare & 4 ? -1 : 1;
1530 } :
1531 function( a, b ) {
1533 // Exit early if the nodes are identical
1534 if ( a === b ) {
1535 hasDuplicate = true;
1536 return 0;
1537 }
1539 var cur,
1540 i = 0,
1541 aup = a.parentNode,
1542 bup = b.parentNode,
1543 ap = [ a ],
1544 bp = [ b ];
1546 // Parentless nodes are either documents or disconnected
1547 if ( !aup || !bup ) {
1549 // Support: IE 11+, Edge 17 - 18+
1550 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1551 // two documents; shallow comparisons work.
1552 /* eslint-disable eqeqeq */
1553 return a == document ? -1 :
1554 b == document ? 1 :
1555 /* eslint-enable eqeqeq */
1556 aup ? -1 :
1557 bup ? 1 :
1558 sortInput ?
1559 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1560 0;
1562 // If the nodes are siblings, we can do a quick check
1563 } else if ( aup === bup ) {
1564 return siblingCheck( a, b );
1565 }
1567 // Otherwise we need full lists of their ancestors for comparison
1568 cur = a;
1569 while ( ( cur = cur.parentNode ) ) {
1570 ap.unshift( cur );
1571 }
1572 cur = b;
1573 while ( ( cur = cur.parentNode ) ) {
1574 bp.unshift( cur );
1575 }
1577 // Walk down the tree looking for a discrepancy
1578 while ( ap[ i ] === bp[ i ] ) {
1579 i++;
1580 }
1582 return i ?
1584 // Do a sibling check if the nodes have a common ancestor
1585 siblingCheck( ap[ i ], bp[ i ] ) :
1587 // Otherwise nodes in our document sort first
1588 // Support: IE 11+, Edge 17 - 18+
1589 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1590 // two documents; shallow comparisons work.
1591 /* eslint-disable eqeqeq */
1592 ap[ i ] == preferredDoc ? -1 :
1593 bp[ i ] == preferredDoc ? 1 :
1594 /* eslint-enable eqeqeq */
1595 0;
1596 };
1598 return document;
1599 };
1601 Sizzle.matches = function( expr, elements ) {
1602 return Sizzle( expr, null, null, elements );
1603 };
1605 Sizzle.matchesSelector = function( elem, expr ) {
1606 setDocument( elem );
1608 if ( support.matchesSelector && documentIsHTML &&
1609 !nonnativeSelectorCache[ expr + " " ] &&
1610 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1611 ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) {
1613 try {
1614 var ret = matches.call( elem, expr );
1616 // IE 9's matchesSelector returns false on disconnected nodes
1617 if ( ret || support.disconnectedMatch ||
1619 // As well, disconnected nodes are said to be in a document
1620 // fragment in IE 9
1621 elem.document && elem.document.nodeType !== 11 ) {
1622 return ret;
1623 }
1624 } catch ( e ) {
1625 nonnativeSelectorCache( expr, true );
1626 }
1627 }
1629 return Sizzle( expr, document, null, [ elem ] ).length > 0;
1630 };
1632 Sizzle.contains = function( context, elem ) {
1634 // Set document vars if needed
1635 // Support: IE 11+, Edge 17 - 18+
1636 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1637 // two documents; shallow comparisons work.
1638 // eslint-disable-next-line eqeqeq
1639 if ( ( context.ownerDocument || context ) != document ) {
1640 setDocument( context );
1641 }
1642 return contains( context, elem );
1643 };
1645 Sizzle.attr = function( elem, name ) {
1647 // Set document vars if needed
1648 // Support: IE 11+, Edge 17 - 18+
1649 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1650 // two documents; shallow comparisons work.
1651 // eslint-disable-next-line eqeqeq
1652 if ( ( elem.ownerDocument || elem ) != document ) {
1653 setDocument( elem );
1654 }
1656 var fn = Expr.attrHandle[ name.toLowerCase() ],
1658 // Don't get fooled by Object.prototype properties (jQuery #13807)
1659 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1660 fn( elem, name, !documentIsHTML ) :
1661 undefined;
1663 return val !== undefined ?
1664 val :
1665 support.attributes || !documentIsHTML ?
1666 elem.getAttribute( name ) :
1667 ( val = elem.getAttributeNode( name ) ) && val.specified ?
1668 val.value :
1669 null;
1670 };
1672 Sizzle.escape = function( sel ) {
1673 return ( sel + "" ).replace( rcssescape, fcssescape );
1674 };
1676 Sizzle.error = function( msg ) {
1677 throw new Error( "Syntax error, unrecognized expression: " + msg );
1678 };
1680 /**
1681 * Document sorting and removing duplicates
1682 * @param {ArrayLike} results
1683 */
1684 Sizzle.uniqueSort = function( results ) {
1685 var elem,
1686 duplicates = [],
1687 j = 0,
1688 i = 0;
1690 // Unless we *know* we can detect duplicates, assume their presence
1691 hasDuplicate = !support.detectDuplicates;
1692 sortInput = !support.sortStable && results.slice( 0 );
1693 results.sort( sortOrder );
1695 if ( hasDuplicate ) {
1696 while ( ( elem = results[ i++ ] ) ) {
1697 if ( elem === results[ i ] ) {
1698 j = duplicates.push( i );
1699 }
1700 }
1701 while ( j-- ) {
1702 results.splice( duplicates[ j ], 1 );
1703 }
1704 }
1706 // Clear input after sorting to release objects
1707 // See https://github.com/jquery/sizzle/pull/225
1708 sortInput = null;
1710 return results;
1711 };
1713 /**
1714 * Utility function for retrieving the text value of an array of DOM nodes
1715 * @param {Array|Element} elem
1716 */
1717 getText = Sizzle.getText = function( elem ) {
1718 var node,
1719 ret = "",
1720 i = 0,
1721 nodeType = elem.nodeType;
1723 if ( !nodeType ) {
1725 // If no nodeType, this is expected to be an array
1726 while ( ( node = elem[ i++ ] ) ) {
1728 // Do not traverse comment nodes
1729 ret += getText( node );
1730 }
1731 } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1733 // Use textContent for elements
1734 // innerText usage removed for consistency of new lines (jQuery #11153)
1735 if ( typeof elem.textContent === "string" ) {
1736 return elem.textContent;
1737 } else {
1739 // Traverse its children
1740 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1741 ret += getText( elem );
1742 }
1743 }
1744 } else if ( nodeType === 3 || nodeType === 4 ) {
1745 return elem.nodeValue;
1746 }
1748 // Do not include comment or processing instruction nodes
1750 return ret;
1751 };
1753 Expr = Sizzle.selectors = {
1755 // Can be adjusted by the user
1756 cacheLength: 50,
1758 createPseudo: markFunction,
1760 match: matchExpr,
1762 attrHandle: {},
1764 find: {},
1766 relative: {
1767 ">": { dir: "parentNode", first: true },
1768 " ": { dir: "parentNode" },
1769 "+": { dir: "previousSibling", first: true },
1770 "~": { dir: "previousSibling" }
1771 },
1773 preFilter: {
1774 "ATTR": function( match ) {
1775 match[ 1 ] = match[ 1 ].replace( runescape, funescape );
1777 // Move the given value to match[3] whether quoted or unquoted
1778 match[ 3 ] = ( match[ 3 ] || match[ 4 ] ||
1779 match[ 5 ] || "" ).replace( runescape, funescape );
1781 if ( match[ 2 ] === "~=" ) {
1782 match[ 3 ] = " " + match[ 3 ] + " ";
1783 }
1785 return match.slice( 0, 4 );
1786 },
1788 "CHILD": function( match ) {
1790 /* matches from matchExpr["CHILD"]
1791 1 type (only|nth|...)
1792 2 what (child|of-type)
1793 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1794 4 xn-component of xn+y argument ([+-]?\d*n|)
1795 5 sign of xn-component
1796 6 x of xn-component
1797 7 sign of y-component
1798 8 y of y-component
1799 */
1800 match[ 1 ] = match[ 1 ].toLowerCase();
1802 if ( match[ 1 ].slice( 0, 3 ) === "nth" ) {
1804 // nth-* requires argument
1805 if ( !match[ 3 ] ) {
1806 Sizzle.error( match[ 0 ] );
1807 }
1809 // numeric x and y parameters for Expr.filter.CHILD
1810 // remember that false/true cast respectively to 0/1
1811 match[ 4 ] = +( match[ 4 ] ?
1812 match[ 5 ] + ( match[ 6 ] || 1 ) :
1813 2 * ( match[ 3 ] === "even" || match[ 3 ] === "odd" ) );
1814 match[ 5 ] = +( ( match[ 7 ] + match[ 8 ] ) || match[ 3 ] === "odd" );
1816 // other types prohibit arguments
1817 } else if ( match[ 3 ] ) {
1818 Sizzle.error( match[ 0 ] );
1819 }
1821 return match;
1822 },
1824 "PSEUDO": function( match ) {
1825 var excess,
1826 unquoted = !match[ 6 ] && match[ 2 ];
1828 if ( matchExpr[ "CHILD" ].test( match[ 0 ] ) ) {
1829 return null;
1830 }
1832 // Accept quoted arguments as-is
1833 if ( match[ 3 ] ) {
1834 match[ 2 ] = match[ 4 ] || match[ 5 ] || "";
1836 // Strip excess characters from unquoted arguments
1837 } else if ( unquoted && rpseudo.test( unquoted ) &&
1839 // Get excess from tokenize (recursively)
1840 ( excess = tokenize( unquoted, true ) ) &&
1842 // advance to the next closing parenthesis
1843 ( excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length ) ) {
1845 // excess is a negative index
1846 match[ 0 ] = match[ 0 ].slice( 0, excess );
1847 match[ 2 ] = unquoted.slice( 0, excess );
1848 }
1850 // Return only captures needed by the pseudo filter method (type and argument)
1851 return match.slice( 0, 3 );
1852 }
1853 },
1855 filter: {
1857 "TAG": function( nodeNameSelector ) {
1858 var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1859 return nodeNameSelector === "*" ?
1860 function() {
1861 return true;
1862 } :
1863 function( elem ) {
1864 return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1865 };
1866 },
1868 "CLASS": function( className ) {
1869 var pattern = classCache[ className + " " ];
1871 return pattern ||
1872 ( pattern = new RegExp( "(^|" + whitespace +
1873 ")" + className + "(" + whitespace + "|$)" ) ) && classCache(
1874 className, function( elem ) {
1875 return pattern.test(
1876 typeof elem.className === "string" && elem.className ||
1877 typeof elem.getAttribute !== "undefined" &&
1878 elem.getAttribute( "class" ) ||
1879 ""
1880 );
1881 } );
1882 },
1884 "ATTR": function( name, operator, check ) {
1885 return function( elem ) {
1886 var result = Sizzle.attr( elem, name );
1888 if ( result == null ) {
1889 return operator === "!=";
1890 }
1891 if ( !operator ) {
1892 return true;
1893 }
1895 result += "";
1897 /* eslint-disable max-len */
1899 return operator === "=" ? result === check :
1900 operator === "!=" ? result !== check :
1901 operator === "^=" ? check && result.indexOf( check ) === 0 :
1902 operator === "*=" ? check && result.indexOf( check ) > -1 :
1903 operator === "$=" ? check && result.slice( -check.length ) === check :
1904 operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
1905 operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1906 false;
1907 /* eslint-enable max-len */
1909 };
1910 },
1912 "CHILD": function( type, what, _argument, first, last ) {
1913 var simple = type.slice( 0, 3 ) !== "nth",
1914 forward = type.slice( -4 ) !== "last",
1915 ofType = what === "of-type";
1917 return first === 1 && last === 0 ?
1919 // Shortcut for :nth-*(n)
1920 function( elem ) {
1921 return !!elem.parentNode;
1922 } :
1924 function( elem, _context, xml ) {
1925 var cache, uniqueCache, outerCache, node, nodeIndex, start,
1926 dir = simple !== forward ? "nextSibling" : "previousSibling",
1927 parent = elem.parentNode,
1928 name = ofType && elem.nodeName.toLowerCase(),
1929 useCache = !xml && !ofType,
1930 diff = false;
1932 if ( parent ) {
1934 // :(first|last|only)-(child|of-type)
1935 if ( simple ) {
1936 while ( dir ) {
1937 node = elem;
1938 while ( ( node = node[ dir ] ) ) {
1939 if ( ofType ?
1940 node.nodeName.toLowerCase() === name :
1941 node.nodeType === 1 ) {
1943 return false;
1944 }
1945 }
1947 // Reverse direction for :only-* (if we haven't yet done so)
1948 start = dir = type === "only" && !start && "nextSibling";
1949 }
1950 return true;
1951 }
1953 start = [ forward ? parent.firstChild : parent.lastChild ];
1955 // non-xml :nth-child(...) stores cache data on `parent`
1956 if ( forward && useCache ) {
1958 // Seek `elem` from a previously-cached index
1960 // ...in a gzip-friendly way
1961 node = parent;
1962 outerCache = node[ expando ] || ( node[ expando ] = {} );
1964 // Support: IE <9 only
1965 // Defend against cloned attroperties (jQuery gh-1709)
1966 uniqueCache = outerCache[ node.uniqueID ] ||
1967 ( outerCache[ node.uniqueID ] = {} );
1969 cache = uniqueCache[ type ] || [];
1970 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1971 diff = nodeIndex && cache[ 2 ];
1972 node = nodeIndex && parent.childNodes[ nodeIndex ];
1974 while ( ( node = ++nodeIndex && node && node[ dir ] ||
1976 // Fallback to seeking `elem` from the start
1977 ( diff = nodeIndex = 0 ) || start.pop() ) ) {
1979 // When found, cache indexes on `parent` and break
1980 if ( node.nodeType === 1 && ++diff && node === elem ) {
1981 uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
1982 break;
1983 }
1984 }
1986 } else {
1988 // Use previously-cached element index if available
1989 if ( useCache ) {
1991 // ...in a gzip-friendly way
1992 node = elem;
1993 outerCache = node[ expando ] || ( node[ expando ] = {} );
1995 // Support: IE <9 only
1996 // Defend against cloned attroperties (jQuery gh-1709)
1997 uniqueCache = outerCache[ node.uniqueID ] ||
1998 ( outerCache[ node.uniqueID ] = {} );
2000 cache = uniqueCache[ type ] || [];
2001 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
2002 diff = nodeIndex;
2003 }
2005 // xml :nth-child(...)
2006 // or :nth-last-child(...) or :nth(-last)?-of-type(...)
2007 if ( diff === false ) {
2009 // Use the same loop as above to seek `elem` from the start
2010 while ( ( node = ++nodeIndex && node && node[ dir ] ||
2011 ( diff = nodeIndex = 0 ) || start.pop() ) ) {
2013 if ( ( ofType ?
2014 node.nodeName.toLowerCase() === name :
2015 node.nodeType === 1 ) &&
2016 ++diff ) {
2018 // Cache the index of each encountered element
2019 if ( useCache ) {
2020 outerCache = node[ expando ] ||
2021 ( node[ expando ] = {} );
2023 // Support: IE <9 only
2024 // Defend against cloned attroperties (jQuery gh-1709)
2025 uniqueCache = outerCache[ node.uniqueID ] ||
2026 ( outerCache[ node.uniqueID ] = {} );
2028 uniqueCache[ type ] = [ dirruns, diff ];
2029 }
2031 if ( node === elem ) {
2032 break;
2033 }
2034 }
2035 }
2036 }
2037 }
2039 // Incorporate the offset, then check against cycle size
2040 diff -= last;
2041 return diff === first || ( diff % first === 0 && diff / first >= 0 );
2042 }
2043 };
2044 },
2046 "PSEUDO": function( pseudo, argument ) {
2048 // pseudo-class names are case-insensitive
2049 // http://www.w3.org/TR/selectors/#pseudo-classes
2050 // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
2051 // Remember that setFilters inherits from pseudos
2052 var args,
2053 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
2054 Sizzle.error( "unsupported pseudo: " + pseudo );
2056 // The user may use createPseudo to indicate that
2057 // arguments are needed to create the filter function
2058 // just as Sizzle does
2059 if ( fn[ expando ] ) {
2060 return fn( argument );
2061 }
2063 // But maintain support for old signatures
2064 if ( fn.length > 1 ) {
2065 args = [ pseudo, pseudo, "", argument ];
2066 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
2067 markFunction( function( seed, matches ) {
2068 var idx,
2069 matched = fn( seed, argument ),
2070 i = matched.length;
2071 while ( i-- ) {
2072 idx = indexOf( seed, matched[ i ] );
2073 seed[ idx ] = !( matches[ idx ] = matched[ i ] );
2074 }
2075 } ) :
2076 function( elem ) {
2077 return fn( elem, 0, args );
2078 };
2079 }
2081 return fn;
2082 }
2083 },
2085 pseudos: {
2087 // Potentially complex pseudos
2088 "not": markFunction( function( selector ) {
2090 // Trim the selector passed to compile
2091 // to avoid treating leading and trailing
2092 // spaces as combinators
2093 var input = [],
2094 results = [],
2095 matcher = compile( selector.replace( rtrim, "$1" ) );
2097 return matcher[ expando ] ?
2098 markFunction( function( seed, matches, _context, xml ) {
2099 var elem,
2100 unmatched = matcher( seed, null, xml, [] ),
2101 i = seed.length;
2103 // Match elements unmatched by `matcher`
2104 while ( i-- ) {
2105 if ( ( elem = unmatched[ i ] ) ) {
2106 seed[ i ] = !( matches[ i ] = elem );
2107 }
2108 }
2109 } ) :
2110 function( elem, _context, xml ) {
2111 input[ 0 ] = elem;
2112 matcher( input, null, xml, results );
2114 // Don't keep the element (issue #299)
2115 input[ 0 ] = null;
2116 return !results.pop();
2117 };
2118 } ),
2120 "has": markFunction( function( selector ) {
2121 return function( elem ) {
2122 return Sizzle( selector, elem ).length > 0;
2123 };
2124 } ),
2126 "contains": markFunction( function( text ) {
2127 text = text.replace( runescape, funescape );
2128 return function( elem ) {
2129 return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1;
2130 };
2131 } ),
2133 // "Whether an element is represented by a :lang() selector
2134 // is based solely on the element's language value
2135 // being equal to the identifier C,
2136 // or beginning with the identifier C immediately followed by "-".
2137 // The matching of C against the element's language value is performed case-insensitively.
2138 // The identifier C does not have to be a valid language name."
2139 // http://www.w3.org/TR/selectors/#lang-pseudo
2140 "lang": markFunction( function( lang ) {
2142 // lang value must be a valid identifier
2143 if ( !ridentifier.test( lang || "" ) ) {
2144 Sizzle.error( "unsupported lang: " + lang );
2145 }
2146 lang = lang.replace( runescape, funescape ).toLowerCase();
2147 return function( elem ) {
2148 var elemLang;
2149 do {
2150 if ( ( elemLang = documentIsHTML ?
2151 elem.lang :
2152 elem.getAttribute( "xml:lang" ) || elem.getAttribute( "lang" ) ) ) {
2154 elemLang = elemLang.toLowerCase();
2155 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
2156 }
2157 } while ( ( elem = elem.parentNode ) && elem.nodeType === 1 );
2158 return false;
2159 };
2160 } ),
2162 // Miscellaneous
2163 "target": function( elem ) {
2164 var hash = window.location && window.location.hash;
2165 return hash && hash.slice( 1 ) === elem.id;
2166 },
2168 "root": function( elem ) {
2169 return elem === docElem;
2170 },
2172 "focus": function( elem ) {
2173 return elem === document.activeElement &&
2174 ( !document.hasFocus || document.hasFocus() ) &&
2175 !!( elem.type || elem.href || ~elem.tabIndex );
2176 },
2178 // Boolean properties
2179 "enabled": createDisabledPseudo( false ),
2180 "disabled": createDisabledPseudo( true ),
2182 "checked": function( elem ) {
2184 // In CSS3, :checked should return both checked and selected elements
2185 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2186 var nodeName = elem.nodeName.toLowerCase();
2187 return ( nodeName === "input" && !!elem.checked ) ||
2188 ( nodeName === "option" && !!elem.selected );
2189 },
2191 "selected": function( elem ) {
2193 // Accessing this property makes selected-by-default
2194 // options in Safari work properly
2195 if ( elem.parentNode ) {
2196 // eslint-disable-next-line no-unused-expressions
2197 elem.parentNode.selectedIndex;
2198 }
2200 return elem.selected === true;
2201 },
2203 // Contents
2204 "empty": function( elem ) {
2206 // http://www.w3.org/TR/selectors/#empty-pseudo
2207 // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
2208 // but not by others (comment: 8; processing instruction: 7; etc.)
2209 // nodeType < 6 works because attributes (2) do not appear as children
2210 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2211 if ( elem.nodeType < 6 ) {
2212 return false;
2213 }
2214 }
2215 return true;
2216 },
2218 "parent": function( elem ) {
2219 return !Expr.pseudos[ "empty" ]( elem );
2220 },
2222 // Element/input types
2223 "header": function( elem ) {
2224 return rheader.test( elem.nodeName );
2225 },
2227 "input": function( elem ) {
2228 return rinputs.test( elem.nodeName );
2229 },
2231 "button": function( elem ) {
2232 var name = elem.nodeName.toLowerCase();
2233 return name === "input" && elem.type === "button" || name === "button";
2234 },
2236 "text": function( elem ) {
2237 var attr;
2238 return elem.nodeName.toLowerCase() === "input" &&
2239 elem.type === "text" &&
2241 // Support: IE<8
2242 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
2243 ( ( attr = elem.getAttribute( "type" ) ) == null ||
2244 attr.toLowerCase() === "text" );
2245 },
2247 // Position-in-collection
2248 "first": createPositionalPseudo( function() {
2249 return [ 0 ];
2250 } ),
2252 "last": createPositionalPseudo( function( _matchIndexes, length ) {
2253 return [ length - 1 ];
2254 } ),
2256 "eq": createPositionalPseudo( function( _matchIndexes, length, argument ) {
2257 return [ argument < 0 ? argument + length : argument ];
2258 } ),
2260 "even": createPositionalPseudo( function( matchIndexes, length ) {
2261 var i = 0;
2262 for ( ; i < length; i += 2 ) {
2263 matchIndexes.push( i );
2264 }
2265 return matchIndexes;
2266 } ),
2268 "odd": createPositionalPseudo( function( matchIndexes, length ) {
2269 var i = 1;
2270 for ( ; i < length; i += 2 ) {
2271 matchIndexes.push( i );
2272 }
2273 return matchIndexes;
2274 } ),
2276 "lt": createPositionalPseudo( function( matchIndexes, length, argument ) {
2277 var i = argument < 0 ?
2278 argument + length :
2279 argument > length ?
2280 length :
2281 argument;
2282 for ( ; --i >= 0; ) {
2283 matchIndexes.push( i );
2284 }
2285 return matchIndexes;
2286 } ),
2288 "gt": createPositionalPseudo( function( matchIndexes, length, argument ) {
2289 var i = argument < 0 ? argument + length : argument;
2290 for ( ; ++i < length; ) {
2291 matchIndexes.push( i );
2292 }
2293 return matchIndexes;
2294 } )
2295 }
2296 };
2298 Expr.pseudos[ "nth" ] = Expr.pseudos[ "eq" ];
2300 // Add button/input type pseudos
2301 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2302 Expr.pseudos[ i ] = createInputPseudo( i );
2303 }
2304 for ( i in { submit: true, reset: true } ) {
2305 Expr.pseudos[ i ] = createButtonPseudo( i );
2306 }
2308 // Easy API for creating new setFilters
2309 function setFilters() {}
2310 setFilters.prototype = Expr.filters = Expr.pseudos;
2311 Expr.setFilters = new setFilters();
2313 tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2314 var matched, match, tokens, type,
2315 soFar, groups, preFilters,
2316 cached = tokenCache[ selector + " " ];
2318 if ( cached ) {
2319 return parseOnly ? 0 : cached.slice( 0 );
2320 }
2322 soFar = selector;
2323 groups = [];
2324 preFilters = Expr.preFilter;
2326 while ( soFar ) {
2328 // Comma and first run
2329 if ( !matched || ( match = rcomma.exec( soFar ) ) ) {
2330 if ( match ) {
2332 // Don't consume trailing commas as valid
2333 soFar = soFar.slice( match[ 0 ].length ) || soFar;
2334 }
2335 groups.push( ( tokens = [] ) );
2336 }
2338 matched = false;
2340 // Combinators
2341 if ( ( match = rcombinators.exec( soFar ) ) ) {
2342 matched = match.shift();
2343 tokens.push( {
2344 value: matched,
2346 // Cast descendant combinators to space
2347 type: match[ 0 ].replace( rtrim, " " )
2348 } );
2349 soFar = soFar.slice( matched.length );
2350 }
2352 // Filters
2353 for ( type in Expr.filter ) {
2354 if ( ( match = matchExpr[ type ].exec( soFar ) ) && ( !preFilters[ type ] ||
2355 ( match = preFilters[ type ]( match ) ) ) ) {
2356 matched = match.shift();
2357 tokens.push( {
2358 value: matched,
2359 type: type,
2360 matches: match
2361 } );
2362 soFar = soFar.slice( matched.length );
2363 }
2364 }
2366 if ( !matched ) {
2367 break;
2368 }
2369 }
2371 // Return the length of the invalid excess
2372 // if we're just parsing
2373 // Otherwise, throw an error or return tokens
2374 return parseOnly ?
2375 soFar.length :
2376 soFar ?
2377 Sizzle.error( selector ) :
2379 // Cache the tokens
2380 tokenCache( selector, groups ).slice( 0 );
2381 };
2383 function toSelector( tokens ) {
2384 var i = 0,
2385 len = tokens.length,
2386 selector = "";
2387 for ( ; i < len; i++ ) {
2388 selector += tokens[ i ].value;
2389 }
2390 return selector;
2391 }
2393 function addCombinator( matcher, combinator, base ) {
2394 var dir = combinator.dir,
2395 skip = combinator.next,
2396 key = skip || dir,
2397 checkNonElements = base && key === "parentNode",
2398 doneName = done++;
2400 return combinator.first ?
2402 // Check against closest ancestor/preceding element
2403 function( elem, context, xml ) {
2404 while ( ( elem = elem[ dir ] ) ) {
2405 if ( elem.nodeType === 1 || checkNonElements ) {
2406 return matcher( elem, context, xml );
2407 }
2408 }
2409 return false;
2410 } :
2412 // Check against all ancestor/preceding elements
2413 function( elem, context, xml ) {
2414 var oldCache, uniqueCache, outerCache,
2415 newCache = [ dirruns, doneName ];
2417 // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2418 if ( xml ) {
2419 while ( ( elem = elem[ dir ] ) ) {
2420 if ( elem.nodeType === 1 || checkNonElements ) {
2421 if ( matcher( elem, context, xml ) ) {
2422 return true;
2423 }
2424 }
2425 }
2426 } else {
2427 while ( ( elem = elem[ dir ] ) ) {
2428 if ( elem.nodeType === 1 || checkNonElements ) {
2429 outerCache = elem[ expando ] || ( elem[ expando ] = {} );
2431 // Support: IE <9 only
2432 // Defend against cloned attroperties (jQuery gh-1709)
2433 uniqueCache = outerCache[ elem.uniqueID ] ||
2434 ( outerCache[ elem.uniqueID ] = {} );
2436 if ( skip && skip === elem.nodeName.toLowerCase() ) {
2437 elem = elem[ dir ] || elem;
2438 } else if ( ( oldCache = uniqueCache[ key ] ) &&
2439 oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2441 // Assign to newCache so results back-propagate to previous elements
2442 return ( newCache[ 2 ] = oldCache[ 2 ] );
2443 } else {
2445 // Reuse newcache so results back-propagate to previous elements
2446 uniqueCache[ key ] = newCache;
2448 // A match means we're done; a fail means we have to keep checking
2449 if ( ( newCache[ 2 ] = matcher( elem, context, xml ) ) ) {
2450 return true;
2451 }
2452 }
2453 }
2454 }
2455 }
2456 return false;
2457 };
2458 }
2460 function elementMatcher( matchers ) {
2461 return matchers.length > 1 ?
2462 function( elem, context, xml ) {
2463 var i = matchers.length;
2464 while ( i-- ) {
2465 if ( !matchers[ i ]( elem, context, xml ) ) {
2466 return false;
2467 }
2468 }
2469 return true;
2470 } :
2471 matchers[ 0 ];
2472 }
2474 function multipleContexts( selector, contexts, results ) {
2475 var i = 0,
2476 len = contexts.length;
2477 for ( ; i < len; i++ ) {
2478 Sizzle( selector, contexts[ i ], results );
2479 }
2480 return results;
2481 }
2483 function condense( unmatched, map, filter, context, xml ) {
2484 var elem,
2485 newUnmatched = [],
2486 i = 0,
2487 len = unmatched.length,
2488 mapped = map != null;
2490 for ( ; i < len; i++ ) {
2491 if ( ( elem = unmatched[ i ] ) ) {
2492 if ( !filter || filter( elem, context, xml ) ) {
2493 newUnmatched.push( elem );
2494 if ( mapped ) {
2495 map.push( i );
2496 }
2497 }
2498 }
2499 }
2501 return newUnmatched;
2502 }
2504 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2505 if ( postFilter && !postFilter[ expando ] ) {
2506 postFilter = setMatcher( postFilter );
2507 }
2508 if ( postFinder && !postFinder[ expando ] ) {
2509 postFinder = setMatcher( postFinder, postSelector );
2510 }
2511 return markFunction( function( seed, results, context, xml ) {
2512 var temp, i, elem,
2513 preMap = [],
2514 postMap = [],
2515 preexisting = results.length,
2517 // Get initial elements from seed or context
2518 elems = seed || multipleContexts(
2519 selector || "*",
2520 context.nodeType ? [ context ] : context,
2521 []
2522 ),
2524 // Prefilter to get matcher input, preserving a map for seed-results synchronization
2525 matcherIn = preFilter && ( seed || !selector ) ?
2526 condense( elems, preMap, preFilter, context, xml ) :
2527 elems,
2529 matcherOut = matcher ?
2531 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2532 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2534 // ...intermediate processing is necessary
2535 [] :
2537 // ...otherwise use results directly
2538 results :
2539 matcherIn;
2541 // Find primary matches
2542 if ( matcher ) {
2543 matcher( matcherIn, matcherOut, context, xml );
2544 }
2546 // Apply postFilter
2547 if ( postFilter ) {
2548 temp = condense( matcherOut, postMap );
2549 postFilter( temp, [], context, xml );
2551 // Un-match failing elements by moving them back to matcherIn
2552 i = temp.length;
2553 while ( i-- ) {
2554 if ( ( elem = temp[ i ] ) ) {
2555 matcherOut[ postMap[ i ] ] = !( matcherIn[ postMap[ i ] ] = elem );
2556 }
2557 }
2558 }
2560 if ( seed ) {
2561 if ( postFinder || preFilter ) {
2562 if ( postFinder ) {
2564 // Get the final matcherOut by condensing this intermediate into postFinder contexts
2565 temp = [];
2566 i = matcherOut.length;
2567 while ( i-- ) {
2568 if ( ( elem = matcherOut[ i ] ) ) {
2570 // Restore matcherIn since elem is not yet a final match
2571 temp.push( ( matcherIn[ i ] = elem ) );
2572 }
2573 }
2574 postFinder( null, ( matcherOut = [] ), temp, xml );
2575 }
2577 // Move matched elements from seed to results to keep them synchronized
2578 i = matcherOut.length;
2579 while ( i-- ) {
2580 if ( ( elem = matcherOut[ i ] ) &&
2581 ( temp = postFinder ? indexOf( seed, elem ) : preMap[ i ] ) > -1 ) {
2583 seed[ temp ] = !( results[ temp ] = elem );
2584 }
2585 }
2586 }
2588 // Add elements to results, through postFinder if defined
2589 } else {
2590 matcherOut = condense(
2591 matcherOut === results ?
2592 matcherOut.splice( preexisting, matcherOut.length ) :
2593 matcherOut
2594 );
2595 if ( postFinder ) {
2596 postFinder( null, results, matcherOut, xml );
2597 } else {
2598 push.apply( results, matcherOut );
2599 }
2600 }
2601 } );
2602 }
2604 function matcherFromTokens( tokens ) {
2605 var checkContext, matcher, j,
2606 len = tokens.length,
2607 leadingRelative = Expr.relative[ tokens[ 0 ].type ],
2608 implicitRelative = leadingRelative || Expr.relative[ " " ],
2609 i = leadingRelative ? 1 : 0,
2611 // The foundational matcher ensures that elements are reachable from top-level context(s)
2612 matchContext = addCombinator( function( elem ) {
2613 return elem === checkContext;
2614 }, implicitRelative, true ),
2615 matchAnyContext = addCombinator( function( elem ) {
2616 return indexOf( checkContext, elem ) > -1;
2617 }, implicitRelative, true ),
2618 matchers = [ function( elem, context, xml ) {
2619 var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2620 ( checkContext = context ).nodeType ?
2621 matchContext( elem, context, xml ) :
2622 matchAnyContext( elem, context, xml ) );
2624 // Avoid hanging onto element (issue #299)
2625 checkContext = null;
2626 return ret;
2627 } ];
2629 for ( ; i < len; i++ ) {
2630 if ( ( matcher = Expr.relative[ tokens[ i ].type ] ) ) {
2631 matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ];
2632 } else {
2633 matcher = Expr.filter[ tokens[ i ].type ].apply( null, tokens[ i ].matches );
2635 // Return special upon seeing a positional matcher
2636 if ( matcher[ expando ] ) {
2638 // Find the next relative operator (if any) for proper handling
2639 j = ++i;
2640 for ( ; j < len; j++ ) {
2641 if ( Expr.relative[ tokens[ j ].type ] ) {
2642 break;
2643 }
2644 }
2645 return setMatcher(
2646 i > 1 && elementMatcher( matchers ),
2647 i > 1 && toSelector(
2649 // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2650 tokens
2651 .slice( 0, i - 1 )
2652 .concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } )
2653 ).replace( rtrim, "$1" ),
2654 matcher,
2655 i < j && matcherFromTokens( tokens.slice( i, j ) ),
2656 j < len && matcherFromTokens( ( tokens = tokens.slice( j ) ) ),
2657 j < len && toSelector( tokens )
2658 );
2659 }
2660 matchers.push( matcher );
2661 }
2662 }
2664 return elementMatcher( matchers );
2665 }
2667 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2668 var bySet = setMatchers.length > 0,
2669 byElement = elementMatchers.length > 0,
2670 superMatcher = function( seed, context, xml, results, outermost ) {
2671 var elem, j, matcher,
2672 matchedCount = 0,
2673 i = "0",
2674 unmatched = seed && [],
2675 setMatched = [],
2676 contextBackup = outermostContext,
2678 // We must always have either seed elements or outermost context
2679 elems = seed || byElement && Expr.find[ "TAG" ]( "*", outermost ),
2681 // Use integer dirruns iff this is the outermost matcher
2682 dirrunsUnique = ( dirruns += contextBackup == null ? 1 : Math.random() || 0.1 ),
2683 len = elems.length;
2685 if ( outermost ) {
2687 // Support: IE 11+, Edge 17 - 18+
2688 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
2689 // two documents; shallow comparisons work.
2690 // eslint-disable-next-line eqeqeq
2691 outermostContext = context == document || context || outermost;
2692 }
2694 // Add elements passing elementMatchers directly to results
2695 // Support: IE<9, Safari
2696 // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2697 for ( ; i !== len && ( elem = elems[ i ] ) != null; i++ ) {
2698 if ( byElement && elem ) {
2699 j = 0;
2701 // Support: IE 11+, Edge 17 - 18+
2702 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
2703 // two documents; shallow comparisons work.
2704 // eslint-disable-next-line eqeqeq
2705 if ( !context && elem.ownerDocument != document ) {
2706 setDocument( elem );
2707 xml = !documentIsHTML;
2708 }
2709 while ( ( matcher = elementMatchers[ j++ ] ) ) {
2710 if ( matcher( elem, context || document, xml ) ) {
2711 results.push( elem );
2712 break;
2713 }
2714 }
2715 if ( outermost ) {
2716 dirruns = dirrunsUnique;
2717 }
2718 }
2720 // Track unmatched elements for set filters
2721 if ( bySet ) {
2723 // They will have gone through all possible matchers
2724 if ( ( elem = !matcher && elem ) ) {
2725 matchedCount--;
2726 }
2728 // Lengthen the array for every element, matched or not
2729 if ( seed ) {
2730 unmatched.push( elem );
2731 }
2732 }
2733 }
2735 // `i` is now the count of elements visited above, and adding it to `matchedCount`
2736 // makes the latter nonnegative.
2737 matchedCount += i;
2739 // Apply set filters to unmatched elements
2740 // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
2741 // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
2742 // no element matchers and no seed.
2743 // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
2744 // case, which will result in a "00" `matchedCount` that differs from `i` but is also
2745 // numerically zero.
2746 if ( bySet && i !== matchedCount ) {
2747 j = 0;
2748 while ( ( matcher = setMatchers[ j++ ] ) ) {
2749 matcher( unmatched, setMatched, context, xml );
2750 }
2752 if ( seed ) {
2754 // Reintegrate element matches to eliminate the need for sorting
2755 if ( matchedCount > 0 ) {
2756 while ( i-- ) {
2757 if ( !( unmatched[ i ] || setMatched[ i ] ) ) {
2758 setMatched[ i ] = pop.call( results );
2759 }
2760 }
2761 }
2763 // Discard index placeholder values to get only actual matches
2764 setMatched = condense( setMatched );
2765 }
2767 // Add matches to results
2768 push.apply( results, setMatched );
2770 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2771 if ( outermost && !seed && setMatched.length > 0 &&
2772 ( matchedCount + setMatchers.length ) > 1 ) {
2774 Sizzle.uniqueSort( results );
2775 }
2776 }
2778 // Override manipulation of globals by nested matchers
2779 if ( outermost ) {
2780 dirruns = dirrunsUnique;
2781 outermostContext = contextBackup;
2782 }
2784 return unmatched;
2785 };
2787 return bySet ?
2788 markFunction( superMatcher ) :
2789 superMatcher;
2790 }
2792 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2793 var i,
2794 setMatchers = [],
2795 elementMatchers = [],
2796 cached = compilerCache[ selector + " " ];
2798 if ( !cached ) {
2800 // Generate a function of recursive functions that can be used to check each element
2801 if ( !match ) {
2802 match = tokenize( selector );
2803 }
2804 i = match.length;
2805 while ( i-- ) {
2806 cached = matcherFromTokens( match[ i ] );
2807 if ( cached[ expando ] ) {
2808 setMatchers.push( cached );
2809 } else {
2810 elementMatchers.push( cached );
2811 }
2812 }
2814 // Cache the compiled function
2815 cached = compilerCache(
2816 selector,
2817 matcherFromGroupMatchers( elementMatchers, setMatchers )
2818 );
2820 // Save selector and tokenization
2821 cached.selector = selector;
2822 }
2823 return cached;
2824 };
2826 /**
2827 * A low-level selection function that works with Sizzle's compiled
2828 * selector functions
2829 * @param {String|Function} selector A selector or a pre-compiled
2830 * selector function built with Sizzle.compile
2831 * @param {Element} context
2832 * @param {Array} [results]
2833 * @param {Array} [seed] A set of elements to match against
2834 */
2835 select = Sizzle.select = function( selector, context, results, seed ) {
2836 var i, tokens, token, type, find,
2837 compiled = typeof selector === "function" && selector,
2838 match = !seed && tokenize( ( selector = compiled.selector || selector ) );
2840 results = results || [];
2842 // Try to minimize operations if there is only one selector in the list and no seed
2843 // (the latter of which guarantees us context)
2844 if ( match.length === 1 ) {
2846 // Reduce context if the leading compound selector is an ID
2847 tokens = match[ 0 ] = match[ 0 ].slice( 0 );
2848 if ( tokens.length > 2 && ( token = tokens[ 0 ] ).type === "ID" &&
2849 context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[ 1 ].type ] ) {
2851 context = ( Expr.find[ "ID" ]( token.matches[ 0 ]
2852 .replace( runescape, funescape ), context ) || [] )[ 0 ];
2853 if ( !context ) {
2854 return results;
2856 // Precompiled matchers will still verify ancestry, so step up a level
2857 } else if ( compiled ) {
2858 context = context.parentNode;
2859 }
2861 selector = selector.slice( tokens.shift().value.length );
2862 }
2864 // Fetch a seed set for right-to-left matching
2865 i = matchExpr[ "needsContext" ].test( selector ) ? 0 : tokens.length;
2866 while ( i-- ) {
2867 token = tokens[ i ];
2869 // Abort if we hit a combinator
2870 if ( Expr.relative[ ( type = token.type ) ] ) {
2871 break;
2872 }
2873 if ( ( find = Expr.find[ type ] ) ) {
2875 // Search, expanding context for leading sibling combinators
2876 if ( ( seed = find(
2877 token.matches[ 0 ].replace( runescape, funescape ),
2878 rsibling.test( tokens[ 0 ].type ) && testContext( context.parentNode ) ||
2879 context
2880 ) ) ) {
2882 // If seed is empty or no tokens remain, we can return early
2883 tokens.splice( i, 1 );
2884 selector = seed.length && toSelector( tokens );
2885 if ( !selector ) {
2886 push.apply( results, seed );
2887 return results;
2888 }
2890 break;
2891 }
2892 }
2893 }
2894 }
2896 // Compile and execute a filtering function if one is not provided
2897 // Provide `match` to avoid retokenization if we modified the selector above
2898 ( compiled || compile( selector, match ) )(
2899 seed,
2900 context,
2901 !documentIsHTML,
2902 results,
2903 !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
2904 );
2905 return results;
2906 };
2908 // One-time assignments
2910 // Sort stability
2911 support.sortStable = expando.split( "" ).sort( sortOrder ).join( "" ) === expando;
2913 // Support: Chrome 14-35+
2914 // Always assume duplicates if they aren't passed to the comparison function
2915 support.detectDuplicates = !!hasDuplicate;
2917 // Initialize against the default document
2918 setDocument();
2920 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2921 // Detached nodes confoundingly follow *each other*
2922 support.sortDetached = assert( function( el ) {
2924 // Should return 1, but returns 4 (following)
2925 return el.compareDocumentPosition( document.createElement( "fieldset" ) ) & 1;
2926 } );
2928 // Support: IE<8
2929 // Prevent attribute/property "interpolation"
2930 // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2931 if ( !assert( function( el ) {
2932 el.innerHTML = "<a href='#'></a>";
2933 return el.firstChild.getAttribute( "href" ) === "#";
2934 } ) ) {
2935 addHandle( "type|href|height|width", function( elem, name, isXML ) {
2936 if ( !isXML ) {
2937 return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2938 }
2939 } );
2940 }
2942 // Support: IE<9
2943 // Use defaultValue in place of getAttribute("value")
2944 if ( !support.attributes || !assert( function( el ) {
2945 el.innerHTML = "<input/>";
2946 el.firstChild.setAttribute( "value", "" );
2947 return el.firstChild.getAttribute( "value" ) === "";
2948 } ) ) {
2949 addHandle( "value", function( elem, _name, isXML ) {
2950 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2951 return elem.defaultValue;
2952 }
2953 } );
2954 }
2956 // Support: IE<9
2957 // Use getAttributeNode to fetch booleans when getAttribute lies
2958 if ( !assert( function( el ) {
2959 return el.getAttribute( "disabled" ) == null;
2960 } ) ) {
2961 addHandle( booleans, function( elem, name, isXML ) {
2962 var val;
2963 if ( !isXML ) {
2964 return elem[ name ] === true ? name.toLowerCase() :
2965 ( val = elem.getAttributeNode( name ) ) && val.specified ?
2966 val.value :
2967 null;
2968 }
2969 } );
2970 }
2972 return Sizzle;
2974 } )( window );
2978 jQuery.find = Sizzle;
2979 jQuery.expr = Sizzle.selectors;
2981 // Deprecated
2982 jQuery.expr[ ":" ] = jQuery.expr.pseudos;
2983 jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
2984 jQuery.text = Sizzle.getText;
2985 jQuery.isXMLDoc = Sizzle.isXML;
2986 jQuery.contains = Sizzle.contains;
2987 jQuery.escapeSelector = Sizzle.escape;
2992 var dir = function( elem, dir, until ) {
2993 var matched = [],
2994 truncate = until !== undefined;
2996 while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
2997 if ( elem.nodeType === 1 ) {
2998 if ( truncate && jQuery( elem ).is( until ) ) {
2999 break;
3000 }
3001 matched.push( elem );
3002 }
3003 }
3004 return matched;
3005 };
3008 var siblings = function( n, elem ) {
3009 var matched = [];
3011 for ( ; n; n = n.nextSibling ) {
3012 if ( n.nodeType === 1 && n !== elem ) {
3013 matched.push( n );
3014 }
3015 }
3017 return matched;
3018 };
3021 var rneedsContext = jQuery.expr.match.needsContext;
3025 function nodeName( elem, name ) {
3027 return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
3029 };
3030 var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
3034 // Implement the identical functionality for filter and not
3035 function winnow( elements, qualifier, not ) {
3036 if ( isFunction( qualifier ) ) {
3037 return jQuery.grep( elements, function( elem, i ) {
3038 return !!qualifier.call( elem, i, elem ) !== not;
3039 } );
3040 }
3042 // Single element
3043 if ( qualifier.nodeType ) {
3044 return jQuery.grep( elements, function( elem ) {
3045 return ( elem === qualifier ) !== not;
3046 } );
3047 }
3049 // Arraylike of elements (jQuery, arguments, Array)
3050 if ( typeof qualifier !== "string" ) {
3051 return jQuery.grep( elements, function( elem ) {
3052 return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
3053 } );
3054 }
3056 // Filtered directly for both simple and complex selectors
3057 return jQuery.filter( qualifier, elements, not );
3058 }
3060 jQuery.filter = function( expr, elems, not ) {
3061 var elem = elems[ 0 ];
3063 if ( not ) {
3064 expr = ":not(" + expr + ")";
3065 }
3067 if ( elems.length === 1 && elem.nodeType === 1 ) {
3068 return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
3069 }
3071 return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
3072 return elem.nodeType === 1;
3073 } ) );
3074 };
3076 jQuery.fn.extend( {
3077 find: function( selector ) {
3078 var i, ret,
3079 len = this.length,
3080 self = this;
3082 if ( typeof selector !== "string" ) {
3083 return this.pushStack( jQuery( selector ).filter( function() {
3084 for ( i = 0; i < len; i++ ) {
3085 if ( jQuery.contains( self[ i ], this ) ) {
3086 return true;
3087 }
3088 }
3089 } ) );
3090 }
3092 ret = this.pushStack( [] );
3094 for ( i = 0; i < len; i++ ) {
3095 jQuery.find( selector, self[ i ], ret );
3096 }
3098 return len > 1 ? jQuery.uniqueSort( ret ) : ret;
3099 },
3100 filter: function( selector ) {
3101 return this.pushStack( winnow( this, selector || [], false ) );
3102 },
3103 not: function( selector ) {
3104 return this.pushStack( winnow( this, selector || [], true ) );
3105 },
3106 is: function( selector ) {
3107 return !!winnow(
3108 this,
3110 // If this is a positional/relative selector, check membership in the returned set
3111 // so $("p:first").is("p:last") won't return true for a doc with two "p".
3112 typeof selector === "string" && rneedsContext.test( selector ) ?
3113 jQuery( selector ) :
3114 selector || [],
3115 false
3116 ).length;
3117 }
3118 } );
3121 // Initialize a jQuery object
3124 // A central reference to the root jQuery(document)
3125 var rootjQuery,
3127 // A simple way to check for HTML strings
3128 // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
3129 // Strict HTML recognition (#11290: must start with <)
3130 // Shortcut simple #id case for speed
3131 rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
3133 init = jQuery.fn.init = function( selector, context, root ) {
3134 var match, elem;
3136 // HANDLE: $(""), $(null), $(undefined), $(false)
3137 if ( !selector ) {
3138 return this;
3139 }
3141 // Method init() accepts an alternate rootjQuery
3142 // so migrate can support jQuery.sub (gh-2101)
3143 root = root || rootjQuery;
3145 // Handle HTML strings
3146 if ( typeof selector === "string" ) {
3147 if ( selector[ 0 ] === "<" &&
3148 selector[ selector.length - 1 ] === ">" &&
3149 selector.length >= 3 ) {
3151 // Assume that strings that start and end with <> are HTML and skip the regex check
3152 match = [ null, selector, null ];
3154 } else {
3155 match = rquickExpr.exec( selector );
3156 }
3158 // Match html or make sure no context is specified for #id
3159 if ( match && ( match[ 1 ] || !context ) ) {
3161 // HANDLE: $(html) -> $(array)
3162 if ( match[ 1 ] ) {
3163 context = context instanceof jQuery ? context[ 0 ] : context;
3165 // Option to run scripts is true for back-compat
3166 // Intentionally let the error be thrown if parseHTML is not present
3167 jQuery.merge( this, jQuery.parseHTML(
3168 match[ 1 ],
3169 context && context.nodeType ? context.ownerDocument || context : document,
3170 true
3171 ) );
3173 // HANDLE: $(html, props)
3174 if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
3175 for ( match in context ) {
3177 // Properties of context are called as methods if possible
3178 if ( isFunction( this[ match ] ) ) {
3179 this[ match ]( context[ match ] );
3181 // ...and otherwise set as attributes
3182 } else {
3183 this.attr( match, context[ match ] );
3184 }
3185 }
3186 }
3188 return this;
3190 // HANDLE: $(#id)
3191 } else {
3192 elem = document.getElementById( match[ 2 ] );
3194 if ( elem ) {
3196 // Inject the element directly into the jQuery object
3197 this[ 0 ] = elem;
3198 this.length = 1;
3199 }
3200 return this;
3201 }
3203 // HANDLE: $(expr, $(...))
3204 } else if ( !context || context.jquery ) {
3205 return ( context || root ).find( selector );
3207 // HANDLE: $(expr, context)
3208 // (which is just equivalent to: $(context).find(expr)
3209 } else {
3210 return this.constructor( context ).find( selector );
3211 }
3213 // HANDLE: $(DOMElement)
3214 } else if ( selector.nodeType ) {
3215 this[ 0 ] = selector;
3216 this.length = 1;
3217 return this;
3219 // HANDLE: $(function)
3220 // Shortcut for document ready
3221 } else if ( isFunction( selector ) ) {
3222 return root.ready !== undefined ?
3223 root.ready( selector ) :
3225 // Execute immediately if ready is not present
3226 selector( jQuery );
3227 }
3229 return jQuery.makeArray( selector, this );
3230 };
3232 // Give the init function the jQuery prototype for later instantiation
3233 init.prototype = jQuery.fn;
3235 // Initialize central reference
3236 rootjQuery = jQuery( document );
3239 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
3241 // Methods guaranteed to produce a unique set when starting from a unique set
3242 guaranteedUnique = {
3243 children: true,
3244 contents: true,
3245 next: true,
3246 prev: true
3247 };
3249 jQuery.fn.extend( {
3250 has: function( target ) {
3251 var targets = jQuery( target, this ),
3252 l = targets.length;
3254 return this.filter( function() {
3255 var i = 0;
3256 for ( ; i < l; i++ ) {
3257 if ( jQuery.contains( this, targets[ i ] ) ) {
3258 return true;
3259 }
3260 }
3261 } );
3262 },
3264 closest: function( selectors, context ) {
3265 var cur,
3266 i = 0,
3267 l = this.length,
3268 matched = [],
3269 targets = typeof selectors !== "string" && jQuery( selectors );
3271 // Positional selectors never match, since there's no _selection_ context
3272 if ( !rneedsContext.test( selectors ) ) {
3273 for ( ; i < l; i++ ) {
3274 for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
3276 // Always skip document fragments
3277 if ( cur.nodeType < 11 && ( targets ?
3278 targets.index( cur ) > -1 :
3280 // Don't pass non-elements to Sizzle
3281 cur.nodeType === 1 &&
3282 jQuery.find.matchesSelector( cur, selectors ) ) ) {
3284 matched.push( cur );
3285 break;
3286 }
3287 }
3288 }
3289 }
3291 return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
3292 },
3294 // Determine the position of an element within the set
3295 index: function( elem ) {
3297 // No argument, return index in parent
3298 if ( !elem ) {
3299 return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
3300 }
3302 // Index in selector
3303 if ( typeof elem === "string" ) {
3304 return indexOf.call( jQuery( elem ), this[ 0 ] );
3305 }
3307 // Locate the position of the desired element
3308 return indexOf.call( this,
3310 // If it receives a jQuery object, the first element is used
3311 elem.jquery ? elem[ 0 ] : elem
3312 );
3313 },
3315 add: function( selector, context ) {
3316 return this.pushStack(
3317 jQuery.uniqueSort(
3318 jQuery.merge( this.get(), jQuery( selector, context ) )
3319 )
3320 );
3321 },
3323 addBack: function( selector ) {
3324 return this.add( selector == null ?
3325 this.prevObject : this.prevObject.filter( selector )
3326 );
3327 }
3328 } );
3330 function sibling( cur, dir ) {
3331 while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
3332 return cur;
3333 }
3335 jQuery.each( {
3336 parent: function( elem ) {
3337 var parent = elem.parentNode;
3338 return parent && parent.nodeType !== 11 ? parent : null;
3339 },
3340 parents: function( elem ) {
3341 return dir( elem, "parentNode" );
3342 },
3343 parentsUntil: function( elem, _i, until ) {
3344 return dir( elem, "parentNode", until );
3345 },
3346 next: function( elem ) {
3347 return sibling( elem, "nextSibling" );
3348 },
3349 prev: function( elem ) {
3350 return sibling( elem, "previousSibling" );
3351 },
3352 nextAll: function( elem ) {
3353 return dir( elem, "nextSibling" );
3354 },
3355 prevAll: function( elem ) {
3356 return dir( elem, "previousSibling" );
3357 },
3358 nextUntil: function( elem, _i, until ) {
3359 return dir( elem, "nextSibling", until );
3360 },
3361 prevUntil: function( elem, _i, until ) {
3362 return dir( elem, "previousSibling", until );
3363 },
3364 siblings: function( elem ) {
3365 return siblings( ( elem.parentNode || {} ).firstChild, elem );
3366 },
3367 children: function( elem ) {
3368 return siblings( elem.firstChild );
3369 },
3370 contents: function( elem ) {
3371 if ( elem.contentDocument != null &&
3373 // Support: IE 11+
3374 // <object> elements with no `data` attribute has an object
3375 // `contentDocument` with a `null` prototype.
3376 getProto( elem.contentDocument ) ) {
3378 return elem.contentDocument;
3379 }
3381 // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
3382 // Treat the template element as a regular one in browsers that
3383 // don't support it.
3384 if ( nodeName( elem, "template" ) ) {
3385 elem = elem.content || elem;
3386 }
3388 return jQuery.merge( [], elem.childNodes );
3389 }
3390 }, function( name, fn ) {
3391 jQuery.fn[ name ] = function( until, selector ) {
3392 var matched = jQuery.map( this, fn, until );
3394 if ( name.slice( -5 ) !== "Until" ) {
3395 selector = until;
3396 }
3398 if ( selector && typeof selector === "string" ) {
3399 matched = jQuery.filter( selector, matched );
3400 }
3402 if ( this.length > 1 ) {
3404 // Remove duplicates
3405 if ( !guaranteedUnique[ name ] ) {
3406 jQuery.uniqueSort( matched );
3407 }
3409 // Reverse order for parents* and prev-derivatives
3410 if ( rparentsprev.test( name ) ) {
3411 matched.reverse();
3412 }
3413 }
3415 return this.pushStack( matched );
3416 };
3417 } );
3418 var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
3422 // Convert String-formatted options into Object-formatted ones
3423 function createOptions( options ) {
3424 var object = {};
3425 jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
3426 object[ flag ] = true;
3427 } );
3428 return object;
3429 }
3431 /*
3432 * Create a callback list using the following parameters:
3433 *
3434 * options: an optional list of space-separated options that will change how
3435 * the callback list behaves or a more traditional option object
3436 *
3437 * By default a callback list will act like an event callback list and can be
3438 * "fired" multiple times.
3439 *
3440 * Possible options:
3441 *
3442 * once: will ensure the callback list can only be fired once (like a Deferred)
3443 *
3444 * memory: will keep track of previous values and will call any callback added
3445 * after the list has been fired right away with the latest "memorized"
3446 * values (like a Deferred)
3447 *
3448 * unique: will ensure a callback can only be added once (no duplicate in the list)
3449 *
3450 * stopOnFalse: interrupt callings when a callback returns false
3451 *
3452 */
3453 jQuery.Callbacks = function( options ) {
3455 // Convert options from String-formatted to Object-formatted if needed
3456 // (we check in cache first)
3457 options = typeof options === "string" ?
3458 createOptions( options ) :
3459 jQuery.extend( {}, options );
3461 var // Flag to know if list is currently firing
3462 firing,
3464 // Last fire value for non-forgettable lists
3465 memory,
3467 // Flag to know if list was already fired
3468 fired,
3470 // Flag to prevent firing
3471 locked,
3473 // Actual callback list
3474 list = [],
3476 // Queue of execution data for repeatable lists
3477 queue = [],
3479 // Index of currently firing callback (modified by add/remove as needed)
3480 firingIndex = -1,
3482 // Fire callbacks
3483 fire = function() {
3485 // Enforce single-firing
3486 locked = locked || options.once;
3488 // Execute callbacks for all pending executions,
3489 // respecting firingIndex overrides and runtime changes
3490 fired = firing = true;
3491 for ( ; queue.length; firingIndex = -1 ) {
3492 memory = queue.shift();
3493 while ( ++firingIndex < list.length ) {
3495 // Run callback and check for early termination
3496 if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
3497 options.stopOnFalse ) {
3499 // Jump to end and forget the data so .add doesn't re-fire
3500 firingIndex = list.length;
3501 memory = false;
3502 }
3503 }
3504 }
3506 // Forget the data if we're done with it
3507 if ( !options.memory ) {
3508 memory = false;
3509 }
3511 firing = false;
3513 // Clean up if we're done firing for good
3514 if ( locked ) {
3516 // Keep an empty list if we have data for future add calls
3517 if ( memory ) {
3518 list = [];
3520 // Otherwise, this object is spent
3521 } else {
3522 list = "";
3523 }
3524 }
3525 },
3527 // Actual Callbacks object
3528 self = {
3530 // Add a callback or a collection of callbacks to the list
3531 add: function() {
3532 if ( list ) {
3534 // If we have memory from a past run, we should fire after adding
3535 if ( memory && !firing ) {
3536 firingIndex = list.length - 1;
3537 queue.push( memory );
3538 }
3540 ( function add( args ) {
3541 jQuery.each( args, function( _, arg ) {
3542 if ( isFunction( arg ) ) {
3543 if ( !options.unique || !self.has( arg ) ) {
3544 list.push( arg );
3545 }
3546 } else if ( arg && arg.length && toType( arg ) !== "string" ) {
3548 // Inspect recursively
3549 add( arg );
3550 }
3551 } );
3552 } )( arguments );
3554 if ( memory && !firing ) {
3555 fire();
3556 }
3557 }
3558 return this;
3559 },
3561 // Remove a callback from the list
3562 remove: function() {
3563 jQuery.each( arguments, function( _, arg ) {
3564 var index;
3565 while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3566 list.splice( index, 1 );
3568 // Handle firing indexes
3569 if ( index <= firingIndex ) {
3570 firingIndex--;
3571 }
3572 }
3573 } );
3574 return this;
3575 },
3577 // Check if a given callback is in the list.
3578 // If no argument is given, return whether or not list has callbacks attached.
3579 has: function( fn ) {
3580 return fn ?
3581 jQuery.inArray( fn, list ) > -1 :
3582 list.length > 0;
3583 },
3585 // Remove all callbacks from the list
3586 empty: function() {
3587 if ( list ) {
3588 list = [];
3589 }
3590 return this;
3591 },
3593 // Disable .fire and .add
3594 // Abort any current/pending executions
3595 // Clear all callbacks and values
3596 disable: function() {
3597 locked = queue = [];
3598 list = memory = "";
3599 return this;
3600 },
3601 disabled: function() {
3602 return !list;
3603 },
3605 // Disable .fire
3606 // Also disable .add unless we have memory (since it would have no effect)
3607 // Abort any pending executions
3608 lock: function() {
3609 locked = queue = [];
3610 if ( !memory && !firing ) {
3611 list = memory = "";
3612 }
3613 return this;
3614 },
3615 locked: function() {
3616 return !!locked;
3617 },
3619 // Call all callbacks with the given context and arguments
3620 fireWith: function( context, args ) {
3621 if ( !locked ) {
3622 args = args || [];
3623 args = [ context, args.slice ? args.slice() : args ];
3624 queue.push( args );
3625 if ( !firing ) {
3626 fire();
3627 }
3628 }
3629 return this;
3630 },
3632 // Call all the callbacks with the given arguments
3633 fire: function() {
3634 self.fireWith( this, arguments );
3635 return this;
3636 },
3638 // To know if the callbacks have already been called at least once
3639 fired: function() {
3640 return !!fired;
3641 }
3642 };
3644 return self;
3645 };
3648 function Identity( v ) {
3649 return v;
3650 }
3651 function Thrower( ex ) {
3652 throw ex;
3653 }
3655 function adoptValue( value, resolve, reject, noValue ) {
3656 var method;
3658 try {
3660 // Check for promise aspect first to privilege synchronous behavior
3661 if ( value && isFunction( ( method = value.promise ) ) ) {
3662 method.call( value ).done( resolve ).fail( reject );
3664 // Other thenables
3665 } else if ( value && isFunction( ( method = value.then ) ) ) {
3666 method.call( value, resolve, reject );
3668 // Other non-thenables
3669 } else {
3671 // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
3672 // * false: [ value ].slice( 0 ) => resolve( value )
3673 // * true: [ value ].slice( 1 ) => resolve()
3674 resolve.apply( undefined, [ value ].slice( noValue ) );
3675 }
3677 // For Promises/A+, convert exceptions into rejections
3678 // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
3679 // Deferred#then to conditionally suppress rejection.
3680 } catch ( value ) {
3682 // Support: Android 4.0 only
3683 // Strict mode functions invoked without .call/.apply get global-object context
3684 reject.apply( undefined, [ value ] );
3685 }
3686 }
3688 jQuery.extend( {
3690 Deferred: function( func ) {
3691 var tuples = [
3693 // action, add listener, callbacks,
3694 // ... .then handlers, argument index, [final state]
3695 [ "notify", "progress", jQuery.Callbacks( "memory" ),
3696 jQuery.Callbacks( "memory" ), 2 ],
3697 [ "resolve", "done", jQuery.Callbacks( "once memory" ),
3698 jQuery.Callbacks( "once memory" ), 0, "resolved" ],
3699 [ "reject", "fail", jQuery.Callbacks( "once memory" ),
3700 jQuery.Callbacks( "once memory" ), 1, "rejected" ]
3701 ],
3702 state = "pending",
3703 promise = {
3704 state: function() {
3705 return state;
3706 },
3707 always: function() {
3708 deferred.done( arguments ).fail( arguments );
3709 return this;
3710 },
3711 "catch": function( fn ) {
3712 return promise.then( null, fn );
3713 },
3715 // Keep pipe for back-compat
3716 pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3717 var fns = arguments;
3719 return jQuery.Deferred( function( newDefer ) {
3720 jQuery.each( tuples, function( _i, tuple ) {
3722 // Map tuples (progress, done, fail) to arguments (done, fail, progress)
3723 var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
3725 // deferred.progress(function() { bind to newDefer or newDefer.notify })
3726 // deferred.done(function() { bind to newDefer or newDefer.resolve })
3727 // deferred.fail(function() { bind to newDefer or newDefer.reject })
3728 deferred[ tuple[ 1 ] ]( function() {
3729 var returned = fn && fn.apply( this, arguments );
3730 if ( returned && isFunction( returned.promise ) ) {
3731 returned.promise()
3732 .progress( newDefer.notify )
3733 .done( newDefer.resolve )
3734 .fail( newDefer.reject );
3735 } else {
3736 newDefer[ tuple[ 0 ] + "With" ](
3737 this,
3738 fn ? [ returned ] : arguments
3739 );
3740 }
3741 } );
3742 } );
3743 fns = null;
3744 } ).promise();
3745 },
3746 then: function( onFulfilled, onRejected, onProgress ) {
3747 var maxDepth = 0;
3748 function resolve( depth, deferred, handler, special ) {
3749 return function() {
3750 var that = this,
3751 args = arguments,
3752 mightThrow = function() {
3753 var returned, then;
3755 // Support: Promises/A+ section 2.3.3.3.3
3756 // https://promisesaplus.com/#point-59
3757 // Ignore double-resolution attempts
3758 if ( depth < maxDepth ) {
3759 return;
3760 }
3762 returned = handler.apply( that, args );
3764 // Support: Promises/A+ section 2.3.1
3765 // https://promisesaplus.com/#point-48
3766 if ( returned === deferred.promise() ) {
3767 throw new TypeError( "Thenable self-resolution" );
3768 }
3770 // Support: Promises/A+ sections 2.3.3.1, 3.5
3771 // https://promisesaplus.com/#point-54
3772 // https://promisesaplus.com/#point-75
3773 // Retrieve `then` only once
3774 then = returned &&
3776 // Support: Promises/A+ section 2.3.4
3777 // https://promisesaplus.com/#point-64
3778 // Only check objects and functions for thenability
3779 ( typeof returned === "object" ||
3780 typeof returned === "function" ) &&
3781 returned.then;
3783 // Handle a returned thenable
3784 if ( isFunction( then ) ) {
3786 // Special processors (notify) just wait for resolution
3787 if ( special ) {
3788 then.call(
3789 returned,
3790 resolve( maxDepth, deferred, Identity, special ),
3791 resolve( maxDepth, deferred, Thrower, special )
3792 );
3794 // Normal processors (resolve) also hook into progress
3795 } else {
3797 // ...and disregard older resolution values
3798 maxDepth++;
3800 then.call(
3801 returned,
3802 resolve( maxDepth, deferred, Identity, special ),
3803 resolve( maxDepth, deferred, Thrower, special ),
3804 resolve( maxDepth, deferred, Identity,
3805 deferred.notifyWith )
3806 );
3807 }
3809 // Handle all other returned values
3810 } else {
3812 // Only substitute handlers pass on context
3813 // and multiple values (non-spec behavior)
3814 if ( handler !== Identity ) {
3815 that = undefined;
3816 args = [ returned ];
3817 }
3819 // Process the value(s)
3820 // Default process is resolve
3821 ( special || deferred.resolveWith )( that, args );
3822 }
3823 },
3825 // Only normal processors (resolve) catch and reject exceptions
3826 process = special ?
3827 mightThrow :
3828 function() {
3829 try {
3830 mightThrow();
3831 } catch ( e ) {
3833 if ( jQuery.Deferred.exceptionHook ) {
3834 jQuery.Deferred.exceptionHook( e,
3835 process.stackTrace );
3836 }
3838 // Support: Promises/A+ section 2.3.3.3.4.1
3839 // https://promisesaplus.com/#point-61
3840 // Ignore post-resolution exceptions
3841 if ( depth + 1 >= maxDepth ) {
3843 // Only substitute handlers pass on context
3844 // and multiple values (non-spec behavior)
3845 if ( handler !== Thrower ) {
3846 that = undefined;
3847 args = [ e ];
3848 }
3850 deferred.rejectWith( that, args );
3851 }
3852 }
3853 };
3855 // Support: Promises/A+ section 2.3.3.3.1
3856 // https://promisesaplus.com/#point-57
3857 // Re-resolve promises immediately to dodge false rejection from
3858 // subsequent errors
3859 if ( depth ) {
3860 process();
3861 } else {
3863 // Call an optional hook to record the stack, in case of exception
3864 // since it's otherwise lost when execution goes async
3865 if ( jQuery.Deferred.getStackHook ) {
3866 process.stackTrace = jQuery.Deferred.getStackHook();
3867 }
3868 window.setTimeout( process );
3869 }
3870 };
3871 }
3873 return jQuery.Deferred( function( newDefer ) {
3875 // progress_handlers.add( ... )
3876 tuples[ 0 ][ 3 ].add(
3877 resolve(
3878 0,
3879 newDefer,
3880 isFunction( onProgress ) ?
3881 onProgress :
3882 Identity,
3883 newDefer.notifyWith
3884 )
3885 );
3887 // fulfilled_handlers.add( ... )
3888 tuples[ 1 ][ 3 ].add(
3889 resolve(
3890 0,
3891 newDefer,
3892 isFunction( onFulfilled ) ?
3893 onFulfilled :
3894 Identity
3895 )
3896 );
3898 // rejected_handlers.add( ... )
3899 tuples[ 2 ][ 3 ].add(
3900 resolve(
3901 0,
3902 newDefer,
3903 isFunction( onRejected ) ?
3904 onRejected :
3905 Thrower
3906 )
3907 );
3908 } ).promise();
3909 },
3911 // Get a promise for this deferred
3912 // If obj is provided, the promise aspect is added to the object
3913 promise: function( obj ) {
3914 return obj != null ? jQuery.extend( obj, promise ) : promise;
3915 }
3916 },
3917 deferred = {};
3919 // Add list-specific methods
3920 jQuery.each( tuples, function( i, tuple ) {
3921 var list = tuple[ 2 ],
3922 stateString = tuple[ 5 ];
3924 // promise.progress = list.add
3925 // promise.done = list.add
3926 // promise.fail = list.add
3927 promise[ tuple[ 1 ] ] = list.add;
3929 // Handle state
3930 if ( stateString ) {
3931 list.add(
3932 function() {
3934 // state = "resolved" (i.e., fulfilled)
3935 // state = "rejected"
3936 state = stateString;
3937 },
3939 // rejected_callbacks.disable
3940 // fulfilled_callbacks.disable
3941 tuples[ 3 - i ][ 2 ].disable,
3943 // rejected_handlers.disable
3944 // fulfilled_handlers.disable
3945 tuples[ 3 - i ][ 3 ].disable,
3947 // progress_callbacks.lock
3948 tuples[ 0 ][ 2 ].lock,
3950 // progress_handlers.lock
3951 tuples[ 0 ][ 3 ].lock
3952 );
3953 }
3955 // progress_handlers.fire
3956 // fulfilled_handlers.fire
3957 // rejected_handlers.fire
3958 list.add( tuple[ 3 ].fire );
3960 // deferred.notify = function() { deferred.notifyWith(...) }
3961 // deferred.resolve = function() { deferred.resolveWith(...) }
3962 // deferred.reject = function() { deferred.rejectWith(...) }
3963 deferred[ tuple[ 0 ] ] = function() {
3964 deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
3965 return this;
3966 };
3968 // deferred.notifyWith = list.fireWith
3969 // deferred.resolveWith = list.fireWith
3970 // deferred.rejectWith = list.fireWith
3971 deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
3972 } );
3974 // Make the deferred a promise
3975 promise.promise( deferred );
3977 // Call given func if any
3978 if ( func ) {
3979 func.call( deferred, deferred );
3980 }
3982 // All done!
3983 return deferred;
3984 },
3986 // Deferred helper
3987 when: function( singleValue ) {
3988 var
3990 // count of uncompleted subordinates
3991 remaining = arguments.length,
3993 // count of unprocessed arguments
3994 i = remaining,
3996 // subordinate fulfillment data
3997 resolveContexts = Array( i ),
3998 resolveValues = slice.call( arguments ),
4000 // the master Deferred
4001 master = jQuery.Deferred(),
4003 // subordinate callback factory
4004 updateFunc = function( i ) {
4005 return function( value ) {
4006 resolveContexts[ i ] = this;
4007 resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
4008 if ( !( --remaining ) ) {
4009 master.resolveWith( resolveContexts, resolveValues );
4010 }
4011 };
4012 };
4014 // Single- and empty arguments are adopted like Promise.resolve
4015 if ( remaining <= 1 ) {
4016 adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
4017 !remaining );
4019 // Use .then() to unwrap secondary thenables (cf. gh-3000)
4020 if ( master.state() === "pending" ||
4021 isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
4023 return master.then();
4024 }
4025 }
4027 // Multiple arguments are aggregated like Promise.all array elements
4028 while ( i-- ) {
4029 adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
4030 }
4032 return master.promise();
4033 }
4034 } );
4037 // These usually indicate a programmer mistake during development,
4038 // warn about them ASAP rather than swallowing them by default.
4039 var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
4041 jQuery.Deferred.exceptionHook = function( error, stack ) {
4043 // Support: IE 8 - 9 only
4044 // Console exists when dev tools are open, which can happen at any time
4045 if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
4046 window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
4047 }
4048 };
4053 jQuery.readyException = function( error ) {
4054 window.setTimeout( function() {
4055 throw error;
4056 } );
4057 };
4062 // The deferred used on DOM ready
4063 var readyList = jQuery.Deferred();
4065 jQuery.fn.ready = function( fn ) {
4067 readyList
4068 .then( fn )
4070 // Wrap jQuery.readyException in a function so that the lookup
4071 // happens at the time of error handling instead of callback
4072 // registration.
4073 .catch( function( error ) {
4074 jQuery.readyException( error );
4075 } );
4077 return this;
4078 };
4080 jQuery.extend( {
4082 // Is the DOM ready to be used? Set to true once it occurs.
4083 isReady: false,
4085 // A counter to track how many items to wait for before
4086 // the ready event fires. See #6781
4087 readyWait: 1,
4089 // Handle when the DOM is ready
4090 ready: function( wait ) {
4092 // Abort if there are pending holds or we're already ready
4093 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
4094 return;
4095 }
4097 // Remember that the DOM is ready
4098 jQuery.isReady = true;
4100 // If a normal DOM Ready event fired, decrement, and wait if need be
4101 if ( wait !== true && --jQuery.readyWait > 0 ) {
4102 return;
4103 }
4105 // If there are functions bound, to execute
4106 readyList.resolveWith( document, [ jQuery ] );
4107 }
4108 } );
4110 jQuery.ready.then = readyList.then;
4112 // The ready event handler and self cleanup method
4113 function completed() {
4114 document.removeEventListener( "DOMContentLoaded", completed );
4115 window.removeEventListener( "load", completed );
4116 jQuery.ready();
4117 }
4119 // Catch cases where $(document).ready() is called
4120 // after the browser event has already occurred.
4121 // Support: IE <=9 - 10 only
4122 // Older IE sometimes signals "interactive" too soon
4123 if ( document.readyState === "complete" ||
4124 ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
4126 // Handle it asynchronously to allow scripts the opportunity to delay ready
4127 window.setTimeout( jQuery.ready );
4129 } else {
4131 // Use the handy event callback
4132 document.addEventListener( "DOMContentLoaded", completed );
4134 // A fallback to window.onload, that will always work
4135 window.addEventListener( "load", completed );
4136 }
4141 // Multifunctional method to get and set values of a collection
4142 // The value/s can optionally be executed if it's a function
4143 var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
4144 var i = 0,
4145 len = elems.length,
4146 bulk = key == null;
4148 // Sets many values
4149 if ( toType( key ) === "object" ) {
4150 chainable = true;
4151 for ( i in key ) {
4152 access( elems, fn, i, key[ i ], true, emptyGet, raw );
4153 }
4155 // Sets one value
4156 } else if ( value !== undefined ) {
4157 chainable = true;
4159 if ( !isFunction( value ) ) {
4160 raw = true;
4161 }
4163 if ( bulk ) {
4165 // Bulk operations run against the entire set
4166 if ( raw ) {
4167 fn.call( elems, value );
4168 fn = null;
4170 // ...except when executing function values
4171 } else {
4172 bulk = fn;
4173 fn = function( elem, _key, value ) {
4174 return bulk.call( jQuery( elem ), value );
4175 };
4176 }
4177 }
4179 if ( fn ) {
4180 for ( ; i < len; i++ ) {
4181 fn(
4182 elems[ i ], key, raw ?
4183 value :
4184 value.call( elems[ i ], i, fn( elems[ i ], key ) )
4185 );
4186 }
4187 }
4188 }
4190 if ( chainable ) {
4191 return elems;
4192 }
4194 // Gets
4195 if ( bulk ) {
4196 return fn.call( elems );
4197 }
4199 return len ? fn( elems[ 0 ], key ) : emptyGet;
4200 };
4203 // Matches dashed string for camelizing
4204 var rmsPrefix = /^-ms-/,
4205 rdashAlpha = /-([a-z])/g;
4207 // Used by camelCase as callback to replace()
4208 function fcamelCase( _all, letter ) {
4209 return letter.toUpperCase();
4210 }
4212 // Convert dashed to camelCase; used by the css and data modules
4213 // Support: IE <=9 - 11, Edge 12 - 15
4214 // Microsoft forgot to hump their vendor prefix (#9572)
4215 function camelCase( string ) {
4216 return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
4217 }
4218 var acceptData = function( owner ) {
4220 // Accepts only:
4221 // - Node
4222 // - Node.ELEMENT_NODE
4223 // - Node.DOCUMENT_NODE
4224 // - Object
4225 // - Any
4226 return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
4227 };
4232 function Data() {
4233 this.expando = jQuery.expando + Data.uid++;
4234 }
4236 Data.uid = 1;
4238 Data.prototype = {
4240 cache: function( owner ) {
4242 // Check if the owner object already has a cache
4243 var value = owner[ this.expando ];
4245 // If not, create one
4246 if ( !value ) {
4247 value = {};
4249 // We can accept data for non-element nodes in modern browsers,
4250 // but we should not, see #8335.
4251 // Always return an empty object.
4252 if ( acceptData( owner ) ) {
4254 // If it is a node unlikely to be stringify-ed or looped over
4255 // use plain assignment
4256 if ( owner.nodeType ) {
4257 owner[ this.expando ] = value;
4259 // Otherwise secure it in a non-enumerable property
4260 // configurable must be true to allow the property to be
4261 // deleted when data is removed
4262 } else {
4263 Object.defineProperty( owner, this.expando, {
4264 value: value,
4265 configurable: true
4266 } );
4267 }
4268 }
4269 }
4271 return value;
4272 },
4273 set: function( owner, data, value ) {
4274 var prop,
4275 cache = this.cache( owner );
4277 // Handle: [ owner, key, value ] args
4278 // Always use camelCase key (gh-2257)
4279 if ( typeof data === "string" ) {
4280 cache[ camelCase( data ) ] = value;
4282 // Handle: [ owner, { properties } ] args
4283 } else {
4285 // Copy the properties one-by-one to the cache object
4286 for ( prop in data ) {
4287 cache[ camelCase( prop ) ] = data[ prop ];
4288 }
4289 }
4290 return cache;
4291 },
4292 get: function( owner, key ) {
4293 return key === undefined ?
4294 this.cache( owner ) :
4296 // Always use camelCase key (gh-2257)
4297 owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
4298 },
4299 access: function( owner, key, value ) {
4301 // In cases where either:
4302 //
4303 // 1. No key was specified
4304 // 2. A string key was specified, but no value provided
4305 //
4306 // Take the "read" path and allow the get method to determine
4307 // which value to return, respectively either:
4308 //
4309 // 1. The entire cache object
4310 // 2. The data stored at the key
4311 //
4312 if ( key === undefined ||
4313 ( ( key && typeof key === "string" ) && value === undefined ) ) {
4315 return this.get( owner, key );
4316 }
4318 // When the key is not a string, or both a key and value
4319 // are specified, set or extend (existing objects) with either:
4320 //
4321 // 1. An object of properties
4322 // 2. A key and value
4323 //
4324 this.set( owner, key, value );
4326 // Since the "set" path can have two possible entry points
4327 // return the expected data based on which path was taken[*]
4328 return value !== undefined ? value : key;
4329 },
4330 remove: function( owner, key ) {
4331 var i,
4332 cache = owner[ this.expando ];
4334 if ( cache === undefined ) {
4335 return;
4336 }
4338 if ( key !== undefined ) {
4340 // Support array or space separated string of keys
4341 if ( Array.isArray( key ) ) {
4343 // If key is an array of keys...
4344 // We always set camelCase keys, so remove that.
4345 key = key.map( camelCase );
4346 } else {
4347 key = camelCase( key );
4349 // If a key with the spaces exists, use it.
4350 // Otherwise, create an array by matching non-whitespace
4351 key = key in cache ?
4352 [ key ] :
4353 ( key.match( rnothtmlwhite ) || [] );
4354 }
4356 i = key.length;
4358 while ( i-- ) {
4359 delete cache[ key[ i ] ];
4360 }
4361 }
4363 // Remove the expando if there's no more data
4364 if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
4366 // Support: Chrome <=35 - 45
4367 // Webkit & Blink performance suffers when deleting properties
4368 // from DOM nodes, so set to undefined instead
4369 // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
4370 if ( owner.nodeType ) {
4371 owner[ this.expando ] = undefined;
4372 } else {
4373 delete owner[ this.expando ];
4374 }
4375 }
4376 },
4377 hasData: function( owner ) {
4378 var cache = owner[ this.expando ];
4379 return cache !== undefined && !jQuery.isEmptyObject( cache );
4380 }
4381 };
4382 var dataPriv = new Data();
4384 var dataUser = new Data();
4388 // Implementation Summary
4389 //
4390 // 1. Enforce API surface and semantic compatibility with 1.9.x branch
4391 // 2. Improve the module's maintainability by reducing the storage
4392 // paths to a single mechanism.
4393 // 3. Use the same single mechanism to support "private" and "user" data.
4394 // 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
4395 // 5. Avoid exposing implementation details on user objects (eg. expando properties)
4396 // 6. Provide a clear path for implementation upgrade to WeakMap in 2014
4398 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4399 rmultiDash = /[A-Z]/g;
4401 function getData( data ) {
4402 if ( data === "true" ) {
4403 return true;
4404 }
4406 if ( data === "false" ) {
4407 return false;
4408 }
4410 if ( data === "null" ) {
4411 return null;
4412 }
4414 // Only convert to a number if it doesn't change the string
4415 if ( data === +data + "" ) {
4416 return +data;
4417 }
4419 if ( rbrace.test( data ) ) {
4420 return JSON.parse( data );
4421 }
4423 return data;
4424 }
4426 function dataAttr( elem, key, data ) {
4427 var name;
4429 // If nothing was found internally, try to fetch any
4430 // data from the HTML5 data-* attribute
4431 if ( data === undefined && elem.nodeType === 1 ) {
4432 name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
4433 data = elem.getAttribute( name );
4435 if ( typeof data === "string" ) {
4436 try {
4437 data = getData( data );
4438 } catch ( e ) {}
4440 // Make sure we set the data so it isn't changed later
4441 dataUser.set( elem, key, data );
4442 } else {
4443 data = undefined;
4444 }
4445 }
4446 return data;
4447 }
4449 jQuery.extend( {
4450 hasData: function( elem ) {
4451 return dataUser.hasData( elem ) || dataPriv.hasData( elem );
4452 },
4454 data: function( elem, name, data ) {
4455 return dataUser.access( elem, name, data );
4456 },
4458 removeData: function( elem, name ) {
4459 dataUser.remove( elem, name );
4460 },
4462 // TODO: Now that all calls to _data and _removeData have been replaced
4463 // with direct calls to dataPriv methods, these can be deprecated.
4464 _data: function( elem, name, data ) {
4465 return dataPriv.access( elem, name, data );
4466 },
4468 _removeData: function( elem, name ) {
4469 dataPriv.remove( elem, name );
4470 }
4471 } );
4473 jQuery.fn.extend( {
4474 data: function( key, value ) {
4475 var i, name, data,
4476 elem = this[ 0 ],
4477 attrs = elem && elem.attributes;
4479 // Gets all values
4480 if ( key === undefined ) {
4481 if ( this.length ) {
4482 data = dataUser.get( elem );
4484 if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
4485 i = attrs.length;
4486 while ( i-- ) {
4488 // Support: IE 11 only
4489 // The attrs elements can be null (#14894)
4490 if ( attrs[ i ] ) {
4491 name = attrs[ i ].name;
4492 if ( name.indexOf( "data-" ) === 0 ) {
4493 name = camelCase( name.slice( 5 ) );
4494 dataAttr( elem, name, data[ name ] );
4495 }
4496 }
4497 }
4498 dataPriv.set( elem, "hasDataAttrs", true );
4499 }
4500 }
4502 return data;
4503 }
4505 // Sets multiple values
4506 if ( typeof key === "object" ) {
4507 return this.each( function() {
4508 dataUser.set( this, key );
4509 } );
4510 }
4512 return access( this, function( value ) {
4513 var data;
4515 // The calling jQuery object (element matches) is not empty
4516 // (and therefore has an element appears at this[ 0 ]) and the
4517 // `value` parameter was not undefined. An empty jQuery object
4518 // will result in `undefined` for elem = this[ 0 ] which will
4519 // throw an exception if an attempt to read a data cache is made.
4520 if ( elem && value === undefined ) {
4522 // Attempt to get data from the cache
4523 // The key will always be camelCased in Data
4524 data = dataUser.get( elem, key );
4525 if ( data !== undefined ) {
4526 return data;
4527 }
4529 // Attempt to "discover" the data in
4530 // HTML5 custom data-* attrs
4531 data = dataAttr( elem, key );
4532 if ( data !== undefined ) {
4533 return data;
4534 }
4536 // We tried really hard, but the data doesn't exist.
4537 return;
4538 }
4540 // Set the data...
4541 this.each( function() {
4543 // We always store the camelCased key
4544 dataUser.set( this, key, value );
4545 } );
4546 }, null, value, arguments.length > 1, null, true );
4547 },
4549 removeData: function( key ) {
4550 return this.each( function() {
4551 dataUser.remove( this, key );
4552 } );
4553 }
4554 } );
4557 jQuery.extend( {
4558 queue: function( elem, type, data ) {
4559 var queue;
4561 if ( elem ) {
4562 type = ( type || "fx" ) + "queue";
4563 queue = dataPriv.get( elem, type );
4565 // Speed up dequeue by getting out quickly if this is just a lookup
4566 if ( data ) {
4567 if ( !queue || Array.isArray( data ) ) {
4568 queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
4569 } else {
4570 queue.push( data );
4571 }
4572 }
4573 return queue || [];
4574 }
4575 },
4577 dequeue: function( elem, type ) {
4578 type = type || "fx";
4580 var queue = jQuery.queue( elem, type ),
4581 startLength = queue.length,
4582 fn = queue.shift(),
4583 hooks = jQuery._queueHooks( elem, type ),
4584 next = function() {
4585 jQuery.dequeue( elem, type );
4586 };
4588 // If the fx queue is dequeued, always remove the progress sentinel
4589 if ( fn === "inprogress" ) {
4590 fn = queue.shift();
4591 startLength--;
4592 }
4594 if ( fn ) {
4596 // Add a progress sentinel to prevent the fx queue from being
4597 // automatically dequeued
4598 if ( type === "fx" ) {
4599 queue.unshift( "inprogress" );
4600 }
4602 // Clear up the last queue stop function
4603 delete hooks.stop;
4604 fn.call( elem, next, hooks );
4605 }
4607 if ( !startLength && hooks ) {
4608 hooks.empty.fire();
4609 }
4610 },
4612 // Not public - generate a queueHooks object, or return the current one
4613 _queueHooks: function( elem, type ) {
4614 var key = type + "queueHooks";
4615 return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
4616 empty: jQuery.Callbacks( "once memory" ).add( function() {
4617 dataPriv.remove( elem, [ type + "queue", key ] );
4618 } )
4619 } );
4620 }
4621 } );
4623 jQuery.fn.extend( {
4624 queue: function( type, data ) {
4625 var setter = 2;
4627 if ( typeof type !== "string" ) {
4628 data = type;
4629 type = "fx";
4630 setter--;
4631 }
4633 if ( arguments.length < setter ) {
4634 return jQuery.queue( this[ 0 ], type );
4635 }
4637 return data === undefined ?
4638 this :
4639 this.each( function() {
4640 var queue = jQuery.queue( this, type, data );
4642 // Ensure a hooks for this queue
4643 jQuery._queueHooks( this, type );
4645 if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
4646 jQuery.dequeue( this, type );
4647 }
4648 } );
4649 },
4650 dequeue: function( type ) {
4651 return this.each( function() {
4652 jQuery.dequeue( this, type );
4653 } );
4654 },
4655 clearQueue: function( type ) {
4656 return this.queue( type || "fx", [] );
4657 },
4659 // Get a promise resolved when queues of a certain type
4660 // are emptied (fx is the type by default)
4661 promise: function( type, obj ) {
4662 var tmp,
4663 count = 1,
4664 defer = jQuery.Deferred(),
4665 elements = this,
4666 i = this.length,
4667 resolve = function() {
4668 if ( !( --count ) ) {
4669 defer.resolveWith( elements, [ elements ] );
4670 }
4671 };
4673 if ( typeof type !== "string" ) {
4674 obj = type;
4675 type = undefined;
4676 }
4677 type = type || "fx";
4679 while ( i-- ) {
4680 tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
4681 if ( tmp && tmp.empty ) {
4682 count++;
4683 tmp.empty.add( resolve );
4684 }
4685 }
4686 resolve();
4687 return defer.promise( obj );
4688 }
4689 } );
4690 var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
4692 var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
4695 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4697 var documentElement = document.documentElement;
4701 var isAttached = function( elem ) {
4702 return jQuery.contains( elem.ownerDocument, elem );
4703 },
4704 composed = { composed: true };
4706 // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
4707 // Check attachment across shadow DOM boundaries when possible (gh-3504)
4708 // Support: iOS 10.0-10.2 only
4709 // Early iOS 10 versions support `attachShadow` but not `getRootNode`,
4710 // leading to errors. We need to check for `getRootNode`.
4711 if ( documentElement.getRootNode ) {
4712 isAttached = function( elem ) {
4713 return jQuery.contains( elem.ownerDocument, elem ) ||
4714 elem.getRootNode( composed ) === elem.ownerDocument;
4715 };
4716 }
4717 var isHiddenWithinTree = function( elem, el ) {
4719 // isHiddenWithinTree might be called from jQuery#filter function;
4720 // in that case, element will be second argument
4721 elem = el || elem;
4723 // Inline style trumps all
4724 return elem.style.display === "none" ||
4725 elem.style.display === "" &&
4727 // Otherwise, check computed style
4728 // Support: Firefox <=43 - 45
4729 // Disconnected elements can have computed display: none, so first confirm that elem is
4730 // in the document.
4731 isAttached( elem ) &&
4733 jQuery.css( elem, "display" ) === "none";
4734 };
4738 function adjustCSS( elem, prop, valueParts, tween ) {
4739 var adjusted, scale,
4740 maxIterations = 20,
4741 currentValue = tween ?
4742 function() {
4743 return tween.cur();
4744 } :
4745 function() {
4746 return jQuery.css( elem, prop, "" );
4747 },
4748 initial = currentValue(),
4749 unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
4751 // Starting value computation is required for potential unit mismatches
4752 initialInUnit = elem.nodeType &&
4753 ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
4754 rcssNum.exec( jQuery.css( elem, prop ) );
4756 if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
4758 // Support: Firefox <=54
4759 // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
4760 initial = initial / 2;
4762 // Trust units reported by jQuery.css
4763 unit = unit || initialInUnit[ 3 ];
4765 // Iteratively approximate from a nonzero starting point
4766 initialInUnit = +initial || 1;
4768 while ( maxIterations-- ) {
4770 // Evaluate and update our best guess (doubling guesses that zero out).
4771 // Finish if the scale equals or crosses 1 (making the old*new product non-positive).
4772 jQuery.style( elem, prop, initialInUnit + unit );
4773 if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
4774 maxIterations = 0;
4775 }
4776 initialInUnit = initialInUnit / scale;
4778 }
4780 initialInUnit = initialInUnit * 2;
4781 jQuery.style( elem, prop, initialInUnit + unit );
4783 // Make sure we update the tween properties later on
4784 valueParts = valueParts || [];
4785 }
4787 if ( valueParts ) {
4788 initialInUnit = +initialInUnit || +initial || 0;
4790 // Apply relative offset (+=/-=) if specified
4791 adjusted = valueParts[ 1 ] ?
4792 initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
4793 +valueParts[ 2 ];
4794 if ( tween ) {
4795 tween.unit = unit;
4796 tween.start = initialInUnit;
4797 tween.end = adjusted;
4798 }
4799 }
4800 return adjusted;
4801 }
4804 var defaultDisplayMap = {};
4806 function getDefaultDisplay( elem ) {
4807 var temp,
4808 doc = elem.ownerDocument,
4809 nodeName = elem.nodeName,
4810 display = defaultDisplayMap[ nodeName ];
4812 if ( display ) {
4813 return display;
4814 }
4816 temp = doc.body.appendChild( doc.createElement( nodeName ) );
4817 display = jQuery.css( temp, "display" );
4819 temp.parentNode.removeChild( temp );
4821 if ( display === "none" ) {
4822 display = "block";
4823 }
4824 defaultDisplayMap[ nodeName ] = display;
4826 return display;
4827 }
4829 function showHide( elements, show ) {
4830 var display, elem,
4831 values = [],
4832 index = 0,
4833 length = elements.length;
4835 // Determine new display value for elements that need to change
4836 for ( ; index < length; index++ ) {
4837 elem = elements[ index ];
4838 if ( !elem.style ) {
4839 continue;
4840 }
4842 display = elem.style.display;
4843 if ( show ) {
4845 // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
4846 // check is required in this first loop unless we have a nonempty display value (either
4847 // inline or about-to-be-restored)
4848 if ( display === "none" ) {
4849 values[ index ] = dataPriv.get( elem, "display" ) || null;
4850 if ( !values[ index ] ) {
4851 elem.style.display = "";
4852 }
4853 }
4854 if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
4855 values[ index ] = getDefaultDisplay( elem );
4856 }
4857 } else {
4858 if ( display !== "none" ) {
4859 values[ index ] = "none";
4861 // Remember what we're overwriting
4862 dataPriv.set( elem, "display", display );
4863 }
4864 }
4865 }
4867 // Set the display of the elements in a second loop to avoid constant reflow
4868 for ( index = 0; index < length; index++ ) {
4869 if ( values[ index ] != null ) {
4870 elements[ index ].style.display = values[ index ];
4871 }
4872 }
4874 return elements;
4875 }
4877 jQuery.fn.extend( {
4878 show: function() {
4879 return showHide( this, true );
4880 },
4881 hide: function() {
4882 return showHide( this );
4883 },
4884 toggle: function( state ) {
4885 if ( typeof state === "boolean" ) {
4886 return state ? this.show() : this.hide();
4887 }
4889 return this.each( function() {
4890 if ( isHiddenWithinTree( this ) ) {
4891 jQuery( this ).show();
4892 } else {
4893 jQuery( this ).hide();
4894 }
4895 } );
4896 }
4897 } );
4898 var rcheckableType = ( /^(?:checkbox|radio)$/i );
4900 var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );
4902 var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
4906 ( function() {
4907 var fragment = document.createDocumentFragment(),
4908 div = fragment.appendChild( document.createElement( "div" ) ),
4909 input = document.createElement( "input" );
4911 // Support: Android 4.0 - 4.3 only
4912 // Check state lost if the name is set (#11217)
4913 // Support: Windows Web Apps (WWA)
4914 // `name` and `type` must use .setAttribute for WWA (#14901)
4915 input.setAttribute( "type", "radio" );
4916 input.setAttribute( "checked", "checked" );
4917 input.setAttribute( "name", "t" );
4919 div.appendChild( input );
4921 // Support: Android <=4.1 only
4922 // Older WebKit doesn't clone checked state correctly in fragments
4923 support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4925 // Support: IE <=11 only
4926 // Make sure textarea (and checkbox) defaultValue is properly cloned
4927 div.innerHTML = "<textarea>x</textarea>";
4928 support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4930 // Support: IE <=9 only
4931 // IE <=9 replaces <option> tags with their contents when inserted outside of
4932 // the select element.
4933 div.innerHTML = "<option></option>";
4934 support.option = !!div.lastChild;
4935 } )();
4938 // We have to close these tags to support XHTML (#13200)
4939 var wrapMap = {
4941 // XHTML parsers do not magically insert elements in the
4942 // same way that tag soup parsers do. So we cannot shorten
4943 // this by omitting <tbody> or other required elements.
4944 thead: [ 1, "<table>", "</table>" ],
4945 col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
4946 tr: [ 2, "<table><tbody>", "</tbody></table>" ],
4947 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
4949 _default: [ 0, "", "" ]
4950 };
4952 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
4953 wrapMap.th = wrapMap.td;
4955 // Support: IE <=9 only
4956 if ( !support.option ) {
4957 wrapMap.optgroup = wrapMap.option = [ 1, "<select multiple='multiple'>", "</select>" ];
4958 }
4961 function getAll( context, tag ) {
4963 // Support: IE <=9 - 11 only
4964 // Use typeof to avoid zero-argument method invocation on host objects (#15151)
4965 var ret;
4967 if ( typeof context.getElementsByTagName !== "undefined" ) {
4968 ret = context.getElementsByTagName( tag || "*" );
4970 } else if ( typeof context.querySelectorAll !== "undefined" ) {
4971 ret = context.querySelectorAll( tag || "*" );
4973 } else {
4974 ret = [];
4975 }
4977 if ( tag === undefined || tag && nodeName( context, tag ) ) {
4978 return jQuery.merge( [ context ], ret );
4979 }
4981 return ret;
4982 }
4985 // Mark scripts as having already been evaluated
4986 function setGlobalEval( elems, refElements ) {
4987 var i = 0,
4988 l = elems.length;
4990 for ( ; i < l; i++ ) {
4991 dataPriv.set(
4992 elems[ i ],
4993 "globalEval",
4994 !refElements || dataPriv.get( refElements[ i ], "globalEval" )
4995 );
4996 }
4997 }
5000 var rhtml = /<|&#?\w+;/;
5002 function buildFragment( elems, context, scripts, selection, ignored ) {
5003 var elem, tmp, tag, wrap, attached, j,
5004 fragment = context.createDocumentFragment(),
5005 nodes = [],
5006 i = 0,
5007 l = elems.length;
5009 for ( ; i < l; i++ ) {
5010 elem = elems[ i ];
5012 if ( elem || elem === 0 ) {
5014 // Add nodes directly
5015 if ( toType( elem ) === "object" ) {
5017 // Support: Android <=4.0 only, PhantomJS 1 only
5018 // push.apply(_, arraylike) throws on ancient WebKit
5019 jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
5021 // Convert non-html into a text node
5022 } else if ( !rhtml.test( elem ) ) {
5023 nodes.push( context.createTextNode( elem ) );
5025 // Convert html into DOM nodes
5026 } else {
5027 tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
5029 // Deserialize a standard representation
5030 tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
5031 wrap = wrapMap[ tag ] || wrapMap._default;
5032 tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
5034 // Descend through wrappers to the right content
5035 j = wrap[ 0 ];
5036 while ( j-- ) {
5037 tmp = tmp.lastChild;
5038 }
5040 // Support: Android <=4.0 only, PhantomJS 1 only
5041 // push.apply(_, arraylike) throws on ancient WebKit
5042 jQuery.merge( nodes, tmp.childNodes );
5044 // Remember the top-level container
5045 tmp = fragment.firstChild;
5047 // Ensure the created nodes are orphaned (#12392)
5048 tmp.textContent = "";
5049 }
5050 }
5051 }
5053 // Remove wrapper from fragment
5054 fragment.textContent = "";
5056 i = 0;
5057 while ( ( elem = nodes[ i++ ] ) ) {
5059 // Skip elements already in the context collection (trac-4087)
5060 if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
5061 if ( ignored ) {
5062 ignored.push( elem );
5063 }
5064 continue;
5065 }
5067 attached = isAttached( elem );
5069 // Append to fragment
5070 tmp = getAll( fragment.appendChild( elem ), "script" );
5072 // Preserve script evaluation history
5073 if ( attached ) {
5074 setGlobalEval( tmp );
5075 }
5077 // Capture executables
5078 if ( scripts ) {
5079 j = 0;
5080 while ( ( elem = tmp[ j++ ] ) ) {
5081 if ( rscriptType.test( elem.type || "" ) ) {
5082 scripts.push( elem );
5083 }
5084 }
5085 }
5086 }
5088 return fragment;
5089 }
5092 var
5093 rkeyEvent = /^key/,
5094 rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
5095 rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
5097 function returnTrue() {
5098 return true;
5099 }
5101 function returnFalse() {
5102 return false;
5103 }
5105 // Support: IE <=9 - 11+
5106 // focus() and blur() are asynchronous, except when they are no-op.
5107 // So expect focus to be synchronous when the element is already active,
5108 // and blur to be synchronous when the element is not already active.
5109 // (focus and blur are always synchronous in other supported browsers,
5110 // this just defines when we can count on it).
5111 function expectSync( elem, type ) {
5112 return ( elem === safeActiveElement() ) === ( type === "focus" );
5113 }
5115 // Support: IE <=9 only
5116 // Accessing document.activeElement can throw unexpectedly
5117 // https://bugs.jquery.com/ticket/13393
5118 function safeActiveElement() {
5119 try {
5120 return document.activeElement;
5121 } catch ( err ) { }
5122 }
5124 function on( elem, types, selector, data, fn, one ) {
5125 var origFn, type;
5127 // Types can be a map of types/handlers
5128 if ( typeof types === "object" ) {
5130 // ( types-Object, selector, data )
5131 if ( typeof selector !== "string" ) {
5133 // ( types-Object, data )
5134 data = data || selector;
5135 selector = undefined;
5136 }
5137 for ( type in types ) {
5138 on( elem, type, selector, data, types[ type ], one );
5139 }
5140 return elem;
5141 }
5143 if ( data == null && fn == null ) {
5145 // ( types, fn )
5146 fn = selector;
5147 data = selector = undefined;
5148 } else if ( fn == null ) {
5149 if ( typeof selector === "string" ) {
5151 // ( types, selector, fn )
5152 fn = data;
5153 data = undefined;
5154 } else {
5156 // ( types, data, fn )
5157 fn = data;
5158 data = selector;
5159 selector = undefined;
5160 }
5161 }
5162 if ( fn === false ) {
5163 fn = returnFalse;
5164 } else if ( !fn ) {
5165 return elem;
5166 }
5168 if ( one === 1 ) {
5169 origFn = fn;
5170 fn = function( event ) {
5172 // Can use an empty set, since event contains the info
5173 jQuery().off( event );
5174 return origFn.apply( this, arguments );
5175 };
5177 // Use same guid so caller can remove using origFn
5178 fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
5179 }
5180 return elem.each( function() {
5181 jQuery.event.add( this, types, fn, data, selector );
5182 } );
5183 }
5185 /*
5186 * Helper functions for managing events -- not part of the public interface.
5187 * Props to Dean Edwards' addEvent library for many of the ideas.
5188 */
5189 jQuery.event = {
5191 global: {},
5193 add: function( elem, types, handler, data, selector ) {
5195 var handleObjIn, eventHandle, tmp,
5196 events, t, handleObj,
5197 special, handlers, type, namespaces, origType,
5198 elemData = dataPriv.get( elem );
5200 // Only attach events to objects that accept data
5201 if ( !acceptData( elem ) ) {
5202 return;
5203 }
5205 // Caller can pass in an object of custom data in lieu of the handler
5206 if ( handler.handler ) {
5207 handleObjIn = handler;
5208 handler = handleObjIn.handler;
5209 selector = handleObjIn.selector;
5210 }
5212 // Ensure that invalid selectors throw exceptions at attach time
5213 // Evaluate against documentElement in case elem is a non-element node (e.g., document)
5214 if ( selector ) {
5215 jQuery.find.matchesSelector( documentElement, selector );
5216 }
5218 // Make sure that the handler has a unique ID, used to find/remove it later
5219 if ( !handler.guid ) {
5220 handler.guid = jQuery.guid++;
5221 }
5223 // Init the element's event structure and main handler, if this is the first
5224 if ( !( events = elemData.events ) ) {
5225 events = elemData.events = Object.create( null );
5226 }
5227 if ( !( eventHandle = elemData.handle ) ) {
5228 eventHandle = elemData.handle = function( e ) {
5230 // Discard the second event of a jQuery.event.trigger() and
5231 // when an event is called after a page has unloaded
5232 return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
5233 jQuery.event.dispatch.apply( elem, arguments ) : undefined;
5234 };
5235 }
5237 // Handle multiple events separated by a space
5238 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5239 t = types.length;
5240 while ( t-- ) {
5241 tmp = rtypenamespace.exec( types[ t ] ) || [];
5242 type = origType = tmp[ 1 ];
5243 namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5245 // There *must* be a type, no attaching namespace-only handlers
5246 if ( !type ) {
5247 continue;
5248 }
5250 // If event changes its type, use the special event handlers for the changed type
5251 special = jQuery.event.special[ type ] || {};
5253 // If selector defined, determine special event api type, otherwise given type
5254 type = ( selector ? special.delegateType : special.bindType ) || type;
5256 // Update special based on newly reset type
5257 special = jQuery.event.special[ type ] || {};
5259 // handleObj is passed to all event handlers
5260 handleObj = jQuery.extend( {
5261 type: type,
5262 origType: origType,
5263 data: data,
5264 handler: handler,
5265 guid: handler.guid,
5266 selector: selector,
5267 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
5268 namespace: namespaces.join( "." )
5269 }, handleObjIn );
5271 // Init the event handler queue if we're the first
5272 if ( !( handlers = events[ type ] ) ) {
5273 handlers = events[ type ] = [];
5274 handlers.delegateCount = 0;
5276 // Only use addEventListener if the special events handler returns false
5277 if ( !special.setup ||
5278 special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
5280 if ( elem.addEventListener ) {
5281 elem.addEventListener( type, eventHandle );
5282 }
5283 }
5284 }
5286 if ( special.add ) {
5287 special.add.call( elem, handleObj );
5289 if ( !handleObj.handler.guid ) {
5290 handleObj.handler.guid = handler.guid;
5291 }
5292 }
5294 // Add to the element's handler list, delegates in front
5295 if ( selector ) {
5296 handlers.splice( handlers.delegateCount++, 0, handleObj );
5297 } else {
5298 handlers.push( handleObj );
5299 }
5301 // Keep track of which events have ever been used, for event optimization
5302 jQuery.event.global[ type ] = true;
5303 }
5305 },
5307 // Detach an event or set of events from an element
5308 remove: function( elem, types, handler, selector, mappedTypes ) {
5310 var j, origCount, tmp,
5311 events, t, handleObj,
5312 special, handlers, type, namespaces, origType,
5313 elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
5315 if ( !elemData || !( events = elemData.events ) ) {
5316 return;
5317 }
5319 // Once for each type.namespace in types; type may be omitted
5320 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5321 t = types.length;
5322 while ( t-- ) {
5323 tmp = rtypenamespace.exec( types[ t ] ) || [];
5324 type = origType = tmp[ 1 ];
5325 namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5327 // Unbind all events (on this namespace, if provided) for the element
5328 if ( !type ) {
5329 for ( type in events ) {
5330 jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
5331 }
5332 continue;
5333 }
5335 special = jQuery.event.special[ type ] || {};
5336 type = ( selector ? special.delegateType : special.bindType ) || type;
5337 handlers = events[ type ] || [];
5338 tmp = tmp[ 2 ] &&
5339 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
5341 // Remove matching events
5342 origCount = j = handlers.length;
5343 while ( j-- ) {
5344 handleObj = handlers[ j ];
5346 if ( ( mappedTypes || origType === handleObj.origType ) &&
5347 ( !handler || handler.guid === handleObj.guid ) &&
5348 ( !tmp || tmp.test( handleObj.namespace ) ) &&
5349 ( !selector || selector === handleObj.selector ||
5350 selector === "**" && handleObj.selector ) ) {
5351 handlers.splice( j, 1 );
5353 if ( handleObj.selector ) {
5354 handlers.delegateCount--;
5355 }
5356 if ( special.remove ) {
5357 special.remove.call( elem, handleObj );
5358 }
5359 }
5360 }
5362 // Remove generic event handler if we removed something and no more handlers exist
5363 // (avoids potential for endless recursion during removal of special event handlers)
5364 if ( origCount && !handlers.length ) {
5365 if ( !special.teardown ||
5366 special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
5368 jQuery.removeEvent( elem, type, elemData.handle );
5369 }
5371 delete events[ type ];
5372 }
5373 }
5375 // Remove data and the expando if it's no longer used
5376 if ( jQuery.isEmptyObject( events ) ) {
5377 dataPriv.remove( elem, "handle events" );
5378 }
5379 },
5381 dispatch: function( nativeEvent ) {
5383 var i, j, ret, matched, handleObj, handlerQueue,
5384 args = new Array( arguments.length ),
5386 // Make a writable jQuery.Event from the native event object
5387 event = jQuery.event.fix( nativeEvent ),
5389 handlers = (
5390 dataPriv.get( this, "events" ) || Object.create( null )
5391 )[ event.type ] || [],
5392 special = jQuery.event.special[ event.type ] || {};
5394 // Use the fix-ed jQuery.Event rather than the (read-only) native event
5395 args[ 0 ] = event;
5397 for ( i = 1; i < arguments.length; i++ ) {
5398 args[ i ] = arguments[ i ];
5399 }
5401 event.delegateTarget = this;
5403 // Call the preDispatch hook for the mapped type, and let it bail if desired
5404 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5405 return;
5406 }
5408 // Determine handlers
5409 handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5411 // Run delegates first; they may want to stop propagation beneath us
5412 i = 0;
5413 while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
5414 event.currentTarget = matched.elem;
5416 j = 0;
5417 while ( ( handleObj = matched.handlers[ j++ ] ) &&
5418 !event.isImmediatePropagationStopped() ) {
5420 // If the event is namespaced, then each handler is only invoked if it is
5421 // specially universal or its namespaces are a superset of the event's.
5422 if ( !event.rnamespace || handleObj.namespace === false ||
5423 event.rnamespace.test( handleObj.namespace ) ) {
5425 event.handleObj = handleObj;
5426 event.data = handleObj.data;
5428 ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
5429 handleObj.handler ).apply( matched.elem, args );
5431 if ( ret !== undefined ) {
5432 if ( ( event.result = ret ) === false ) {
5433 event.preventDefault();
5434 event.stopPropagation();
5435 }
5436 }
5437 }
5438 }
5439 }
5441 // Call the postDispatch hook for the mapped type
5442 if ( special.postDispatch ) {
5443 special.postDispatch.call( this, event );
5444 }
5446 return event.result;
5447 },
5449 handlers: function( event, handlers ) {
5450 var i, handleObj, sel, matchedHandlers, matchedSelectors,
5451 handlerQueue = [],
5452 delegateCount = handlers.delegateCount,
5453 cur = event.target;
5455 // Find delegate handlers
5456 if ( delegateCount &&
5458 // Support: IE <=9
5459 // Black-hole SVG <use> instance trees (trac-13180)
5460 cur.nodeType &&
5462 // Support: Firefox <=42
5463 // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
5464 // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
5465 // Support: IE 11 only
5466 // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
5467 !( event.type === "click" && event.button >= 1 ) ) {
5469 for ( ; cur !== this; cur = cur.parentNode || this ) {
5471 // Don't check non-elements (#13208)
5472 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5473 if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
5474 matchedHandlers = [];
5475 matchedSelectors = {};
5476 for ( i = 0; i < delegateCount; i++ ) {
5477 handleObj = handlers[ i ];
5479 // Don't conflict with Object.prototype properties (#13203)
5480 sel = handleObj.selector + " ";
5482 if ( matchedSelectors[ sel ] === undefined ) {
5483 matchedSelectors[ sel ] = handleObj.needsContext ?
5484 jQuery( sel, this ).index( cur ) > -1 :
5485 jQuery.find( sel, this, null, [ cur ] ).length;
5486 }
5487 if ( matchedSelectors[ sel ] ) {
5488 matchedHandlers.push( handleObj );
5489 }
5490 }
5491 if ( matchedHandlers.length ) {
5492 handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
5493 }
5494 }
5495 }
5496 }
5498 // Add the remaining (directly-bound) handlers
5499 cur = this;
5500 if ( delegateCount < handlers.length ) {
5501 handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
5502 }
5504 return handlerQueue;
5505 },
5507 addProp: function( name, hook ) {
5508 Object.defineProperty( jQuery.Event.prototype, name, {
5509 enumerable: true,
5510 configurable: true,
5512 get: isFunction( hook ) ?
5513 function() {
5514 if ( this.originalEvent ) {
5515 return hook( this.originalEvent );
5516 }
5517 } :
5518 function() {
5519 if ( this.originalEvent ) {
5520 return this.originalEvent[ name ];
5521 }
5522 },
5524 set: function( value ) {
5525 Object.defineProperty( this, name, {
5526 enumerable: true,
5527 configurable: true,
5528 writable: true,
5529 value: value
5530 } );
5531 }
5532 } );
5533 },
5535 fix: function( originalEvent ) {
5536 return originalEvent[ jQuery.expando ] ?
5537 originalEvent :
5538 new jQuery.Event( originalEvent );
5539 },
5541 special: {
5542 load: {
5544 // Prevent triggered image.load events from bubbling to window.load
5545 noBubble: true
5546 },
5547 click: {
5549 // Utilize native event to ensure correct state for checkable inputs
5550 setup: function( data ) {
5552 // For mutual compressibility with _default, replace `this` access with a local var.
5553 // `|| data` is dead code meant only to preserve the variable through minification.
5554 var el = this || data;
5556 // Claim the first handler
5557 if ( rcheckableType.test( el.type ) &&
5558 el.click && nodeName( el, "input" ) ) {
5560 // dataPriv.set( el, "click", ... )
5561 leverageNative( el, "click", returnTrue );
5562 }
5564 // Return false to allow normal processing in the caller
5565 return false;
5566 },
5567 trigger: function( data ) {
5569 // For mutual compressibility with _default, replace `this` access with a local var.
5570 // `|| data` is dead code meant only to preserve the variable through minification.
5571 var el = this || data;
5573 // Force setup before triggering a click
5574 if ( rcheckableType.test( el.type ) &&
5575 el.click && nodeName( el, "input" ) ) {
5577 leverageNative( el, "click" );
5578 }
5580 // Return non-false to allow normal event-path propagation
5581 return true;
5582 },
5584 // For cross-browser consistency, suppress native .click() on links
5585 // Also prevent it if we're currently inside a leveraged native-event stack
5586 _default: function( event ) {
5587 var target = event.target;
5588 return rcheckableType.test( target.type ) &&
5589 target.click && nodeName( target, "input" ) &&
5590 dataPriv.get( target, "click" ) ||
5591 nodeName( target, "a" );
5592 }
5593 },
5595 beforeunload: {
5596 postDispatch: function( event ) {
5598 // Support: Firefox 20+
5599 // Firefox doesn't alert if the returnValue field is not set.
5600 if ( event.result !== undefined && event.originalEvent ) {
5601 event.originalEvent.returnValue = event.result;
5602 }
5603 }
5604 }
5605 }
5606 };
5608 // Ensure the presence of an event listener that handles manually-triggered
5609 // synthetic events by interrupting progress until reinvoked in response to
5610 // *native* events that it fires directly, ensuring that state changes have
5611 // already occurred before other listeners are invoked.
5612 function leverageNative( el, type, expectSync ) {
5614 // Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
5615 if ( !expectSync ) {
5616 if ( dataPriv.get( el, type ) === undefined ) {
5617 jQuery.event.add( el, type, returnTrue );
5618 }
5619 return;
5620 }
5622 // Register the controller as a special universal handler for all event namespaces
5623 dataPriv.set( el, type, false );
5624 jQuery.event.add( el, type, {
5625 namespace: false,
5626 handler: function( event ) {
5627 var notAsync, result,
5628 saved = dataPriv.get( this, type );
5630 if ( ( event.isTrigger & 1 ) && this[ type ] ) {
5632 // Interrupt processing of the outer synthetic .trigger()ed event
5633 // Saved data should be false in such cases, but might be a leftover capture object
5634 // from an async native handler (gh-4350)
5635 if ( !saved.length ) {
5637 // Store arguments for use when handling the inner native event
5638 // There will always be at least one argument (an event object), so this array
5639 // will not be confused with a leftover capture object.
5640 saved = slice.call( arguments );
5641 dataPriv.set( this, type, saved );
5643 // Trigger the native event and capture its result
5644 // Support: IE <=9 - 11+
5645 // focus() and blur() are asynchronous
5646 notAsync = expectSync( this, type );
5647 this[ type ]();
5648 result = dataPriv.get( this, type );
5649 if ( saved !== result || notAsync ) {
5650 dataPriv.set( this, type, false );
5651 } else {
5652 result = {};
5653 }
5654 if ( saved !== result ) {
5656 // Cancel the outer synthetic event
5657 event.stopImmediatePropagation();
5658 event.preventDefault();
5659 return result.value;
5660 }
5662 // If this is an inner synthetic event for an event with a bubbling surrogate
5663 // (focus or blur), assume that the surrogate already propagated from triggering the
5664 // native event and prevent that from happening again here.
5665 // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
5666 // bubbling surrogate propagates *after* the non-bubbling base), but that seems
5667 // less bad than duplication.
5668 } else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) {
5669 event.stopPropagation();
5670 }
5672 // If this is a native event triggered above, everything is now in order
5673 // Fire an inner synthetic event with the original arguments
5674 } else if ( saved.length ) {
5676 // ...and capture the result
5677 dataPriv.set( this, type, {
5678 value: jQuery.event.trigger(
5680 // Support: IE <=9 - 11+
5681 // Extend with the prototype to reset the above stopImmediatePropagation()
5682 jQuery.extend( saved[ 0 ], jQuery.Event.prototype ),
5683 saved.slice( 1 ),
5684 this
5685 )
5686 } );
5688 // Abort handling of the native event
5689 event.stopImmediatePropagation();
5690 }
5691 }
5692 } );
5693 }
5695 jQuery.removeEvent = function( elem, type, handle ) {
5697 // This "if" is needed for plain objects
5698 if ( elem.removeEventListener ) {
5699 elem.removeEventListener( type, handle );
5700 }
5701 };
5703 jQuery.Event = function( src, props ) {
5705 // Allow instantiation without the 'new' keyword
5706 if ( !( this instanceof jQuery.Event ) ) {
5707 return new jQuery.Event( src, props );
5708 }
5710 // Event object
5711 if ( src && src.type ) {
5712 this.originalEvent = src;
5713 this.type = src.type;
5715 // Events bubbling up the document may have been marked as prevented
5716 // by a handler lower down the tree; reflect the correct value.
5717 this.isDefaultPrevented = src.defaultPrevented ||
5718 src.defaultPrevented === undefined &&
5720 // Support: Android <=2.3 only
5721 src.returnValue === false ?
5722 returnTrue :
5723 returnFalse;
5725 // Create target properties
5726 // Support: Safari <=6 - 7 only
5727 // Target should not be a text node (#504, #13143)
5728 this.target = ( src.target && src.target.nodeType === 3 ) ?
5729 src.target.parentNode :
5730 src.target;
5732 this.currentTarget = src.currentTarget;
5733 this.relatedTarget = src.relatedTarget;
5735 // Event type
5736 } else {
5737 this.type = src;
5738 }
5740 // Put explicitly provided properties onto the event object
5741 if ( props ) {
5742 jQuery.extend( this, props );
5743 }
5745 // Create a timestamp if incoming event doesn't have one
5746 this.timeStamp = src && src.timeStamp || Date.now();
5748 // Mark it as fixed
5749 this[ jQuery.expando ] = true;
5750 };
5752 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5753 // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5754 jQuery.Event.prototype = {
5755 constructor: jQuery.Event,
5756 isDefaultPrevented: returnFalse,
5757 isPropagationStopped: returnFalse,
5758 isImmediatePropagationStopped: returnFalse,
5759 isSimulated: false,
5761 preventDefault: function() {
5762 var e = this.originalEvent;
5764 this.isDefaultPrevented = returnTrue;
5766 if ( e && !this.isSimulated ) {
5767 e.preventDefault();
5768 }
5769 },
5770 stopPropagation: function() {
5771 var e = this.originalEvent;
5773 this.isPropagationStopped = returnTrue;
5775 if ( e && !this.isSimulated ) {
5776 e.stopPropagation();
5777 }
5778 },
5779 stopImmediatePropagation: function() {
5780 var e = this.originalEvent;
5782 this.isImmediatePropagationStopped = returnTrue;
5784 if ( e && !this.isSimulated ) {
5785 e.stopImmediatePropagation();
5786 }
5788 this.stopPropagation();
5789 }
5790 };
5792 // Includes all common event props including KeyEvent and MouseEvent specific props
5793 jQuery.each( {
5794 altKey: true,
5795 bubbles: true,
5796 cancelable: true,
5797 changedTouches: true,
5798 ctrlKey: true,
5799 detail: true,
5800 eventPhase: true,
5801 metaKey: true,
5802 pageX: true,
5803 pageY: true,
5804 shiftKey: true,
5805 view: true,
5806 "char": true,
5807 code: true,
5808 charCode: true,
5809 key: true,
5810 keyCode: true,
5811 button: true,
5812 buttons: true,
5813 clientX: true,
5814 clientY: true,
5815 offsetX: true,
5816 offsetY: true,
5817 pointerId: true,
5818 pointerType: true,
5819 screenX: true,
5820 screenY: true,
5821 targetTouches: true,
5822 toElement: true,
5823 touches: true,
5825 which: function( event ) {
5826 var button = event.button;
5828 // Add which for key events
5829 if ( event.which == null && rkeyEvent.test( event.type ) ) {
5830 return event.charCode != null ? event.charCode : event.keyCode;
5831 }
5833 // Add which for click: 1 === left; 2 === middle; 3 === right
5834 if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
5835 if ( button & 1 ) {
5836 return 1;
5837 }
5839 if ( button & 2 ) {
5840 return 3;
5841 }
5843 if ( button & 4 ) {
5844 return 2;
5845 }
5847 return 0;
5848 }
5850 return event.which;
5851 }
5852 }, jQuery.event.addProp );
5854 jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) {
5855 jQuery.event.special[ type ] = {
5857 // Utilize native event if possible so blur/focus sequence is correct
5858 setup: function() {
5860 // Claim the first handler
5861 // dataPriv.set( this, "focus", ... )
5862 // dataPriv.set( this, "blur", ... )
5863 leverageNative( this, type, expectSync );
5865 // Return false to allow normal processing in the caller
5866 return false;
5867 },
5868 trigger: function() {
5870 // Force setup before trigger
5871 leverageNative( this, type );
5873 // Return non-false to allow normal event-path propagation
5874 return true;
5875 },
5877 delegateType: delegateType
5878 };
5879 } );
5881 // Create mouseenter/leave events using mouseover/out and event-time checks
5882 // so that event delegation works in jQuery.
5883 // Do the same for pointerenter/pointerleave and pointerover/pointerout
5884 //
5885 // Support: Safari 7 only
5886 // Safari sends mouseenter too often; see:
5887 // https://bugs.chromium.org/p/chromium/issues/detail?id=470258
5888 // for the description of the bug (it existed in older Chrome versions as well).
5889 jQuery.each( {
5890 mouseenter: "mouseover",
5891 mouseleave: "mouseout",
5892 pointerenter: "pointerover",
5893 pointerleave: "pointerout"
5894 }, function( orig, fix ) {
5895 jQuery.event.special[ orig ] = {
5896 delegateType: fix,
5897 bindType: fix,
5899 handle: function( event ) {
5900 var ret,
5901 target = this,
5902 related = event.relatedTarget,
5903 handleObj = event.handleObj;
5905 // For mouseenter/leave call the handler if related is outside the target.
5906 // NB: No relatedTarget if the mouse left/entered the browser window
5907 if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
5908 event.type = handleObj.origType;
5909 ret = handleObj.handler.apply( this, arguments );
5910 event.type = fix;
5911 }
5912 return ret;
5913 }
5914 };
5915 } );
5917 jQuery.fn.extend( {
5919 on: function( types, selector, data, fn ) {
5920 return on( this, types, selector, data, fn );
5921 },
5922 one: function( types, selector, data, fn ) {
5923 return on( this, types, selector, data, fn, 1 );
5924 },
5925 off: function( types, selector, fn ) {
5926 var handleObj, type;
5927 if ( types && types.preventDefault && types.handleObj ) {
5929 // ( event ) dispatched jQuery.Event
5930 handleObj = types.handleObj;
5931 jQuery( types.delegateTarget ).off(
5932 handleObj.namespace ?
5933 handleObj.origType + "." + handleObj.namespace :
5934 handleObj.origType,
5935 handleObj.selector,
5936 handleObj.handler
5937 );
5938 return this;
5939 }
5940 if ( typeof types === "object" ) {
5942 // ( types-object [, selector] )
5943 for ( type in types ) {
5944 this.off( type, selector, types[ type ] );
5945 }
5946 return this;
5947 }
5948 if ( selector === false || typeof selector === "function" ) {
5950 // ( types [, fn] )
5951 fn = selector;
5952 selector = undefined;
5953 }
5954 if ( fn === false ) {
5955 fn = returnFalse;
5956 }
5957 return this.each( function() {
5958 jQuery.event.remove( this, types, fn, selector );
5959 } );
5960 }
5961 } );
5964 var
5966 // Support: IE <=10 - 11, Edge 12 - 13 only
5967 // In IE/Edge using regex groups here causes severe slowdowns.
5968 // See https://connect.microsoft.com/IE/feedback/details/1736512/
5969 rnoInnerhtml = /<script|<style|<link/i,
5971 // checked="checked" or checked
5972 rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5973 rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
5975 // Prefer a tbody over its parent table for containing new rows
5976 function manipulationTarget( elem, content ) {
5977 if ( nodeName( elem, "table" ) &&
5978 nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
5980 return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
5981 }
5983 return elem;
5984 }
5986 // Replace/restore the type attribute of script elements for safe DOM manipulation
5987 function disableScript( elem ) {
5988 elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
5989 return elem;
5990 }
5991 function restoreScript( elem ) {
5992 if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
5993 elem.type = elem.type.slice( 5 );
5994 } else {
5995 elem.removeAttribute( "type" );
5996 }
5998 return elem;
5999 }
6001 function cloneCopyEvent( src, dest ) {
6002 var i, l, type, pdataOld, udataOld, udataCur, events;
6004 if ( dest.nodeType !== 1 ) {
6005 return;
6006 }
6008 // 1. Copy private data: events, handlers, etc.
6009 if ( dataPriv.hasData( src ) ) {
6010 pdataOld = dataPriv.get( src );
6011 events = pdataOld.events;
6013 if ( events ) {
6014 dataPriv.remove( dest, "handle events" );
6016 for ( type in events ) {
6017 for ( i = 0, l = events[ type ].length; i < l; i++ ) {
6018 jQuery.event.add( dest, type, events[ type ][ i ] );
6019 }
6020 }
6021 }
6022 }
6024 // 2. Copy user data
6025 if ( dataUser.hasData( src ) ) {
6026 udataOld = dataUser.access( src );
6027 udataCur = jQuery.extend( {}, udataOld );
6029 dataUser.set( dest, udataCur );
6030 }
6031 }
6033 // Fix IE bugs, see support tests
6034 function fixInput( src, dest ) {
6035 var nodeName = dest.nodeName.toLowerCase();
6037 // Fails to persist the checked state of a cloned checkbox or radio button.
6038 if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
6039 dest.checked = src.checked;
6041 // Fails to return the selected option to the default selected state when cloning options
6042 } else if ( nodeName === "input" || nodeName === "textarea" ) {
6043 dest.defaultValue = src.defaultValue;
6044 }
6045 }
6047 function domManip( collection, args, callback, ignored ) {
6049 // Flatten any nested arrays
6050 args = flat( args );
6052 var fragment, first, scripts, hasScripts, node, doc,
6053 i = 0,
6054 l = collection.length,
6055 iNoClone = l - 1,
6056 value = args[ 0 ],
6057 valueIsFunction = isFunction( value );
6059 // We can't cloneNode fragments that contain checked, in WebKit
6060 if ( valueIsFunction ||
6061 ( l > 1 && typeof value === "string" &&
6062 !support.checkClone && rchecked.test( value ) ) ) {
6063 return collection.each( function( index ) {
6064 var self = collection.eq( index );
6065 if ( valueIsFunction ) {
6066 args[ 0 ] = value.call( this, index, self.html() );
6067 }
6068 domManip( self, args, callback, ignored );
6069 } );
6070 }
6072 if ( l ) {
6073 fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
6074 first = fragment.firstChild;
6076 if ( fragment.childNodes.length === 1 ) {
6077 fragment = first;
6078 }
6080 // Require either new content or an interest in ignored elements to invoke the callback
6081 if ( first || ignored ) {
6082 scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
6083 hasScripts = scripts.length;
6085 // Use the original fragment for the last item
6086 // instead of the first because it can end up
6087 // being emptied incorrectly in certain situations (#8070).
6088 for ( ; i < l; i++ ) {
6089 node = fragment;
6091 if ( i !== iNoClone ) {
6092 node = jQuery.clone( node, true, true );
6094 // Keep references to cloned scripts for later restoration
6095 if ( hasScripts ) {
6097 // Support: Android <=4.0 only, PhantomJS 1 only
6098 // push.apply(_, arraylike) throws on ancient WebKit
6099 jQuery.merge( scripts, getAll( node, "script" ) );
6100 }
6101 }
6103 callback.call( collection[ i ], node, i );
6104 }
6106 if ( hasScripts ) {
6107 doc = scripts[ scripts.length - 1 ].ownerDocument;
6109 // Reenable scripts
6110 jQuery.map( scripts, restoreScript );
6112 // Evaluate executable scripts on first document insertion
6113 for ( i = 0; i < hasScripts; i++ ) {
6114 node = scripts[ i ];
6115 if ( rscriptType.test( node.type || "" ) &&
6116 !dataPriv.access( node, "globalEval" ) &&
6117 jQuery.contains( doc, node ) ) {
6119 if ( node.src && ( node.type || "" ).toLowerCase() !== "module" ) {
6121 // Optional AJAX dependency, but won't run scripts if not present
6122 if ( jQuery._evalUrl && !node.noModule ) {
6123 jQuery._evalUrl( node.src, {
6124 nonce: node.nonce || node.getAttribute( "nonce" )
6125 }, doc );
6126 }
6127 } else {
6128 DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc );
6129 }
6130 }
6131 }
6132 }
6133 }
6134 }
6136 return collection;
6137 }
6139 function remove( elem, selector, keepData ) {
6140 var node,
6141 nodes = selector ? jQuery.filter( selector, elem ) : elem,
6142 i = 0;
6144 for ( ; ( node = nodes[ i ] ) != null; i++ ) {
6145 if ( !keepData && node.nodeType === 1 ) {
6146 jQuery.cleanData( getAll( node ) );
6147 }
6149 if ( node.parentNode ) {
6150 if ( keepData && isAttached( node ) ) {
6151 setGlobalEval( getAll( node, "script" ) );
6152 }
6153 node.parentNode.removeChild( node );
6154 }
6155 }
6157 return elem;
6158 }
6160 jQuery.extend( {
6161 htmlPrefilter: function( html ) {
6162 return html;
6163 },
6165 clone: function( elem, dataAndEvents, deepDataAndEvents ) {
6166 var i, l, srcElements, destElements,
6167 clone = elem.cloneNode( true ),
6168 inPage = isAttached( elem );
6170 // Fix IE cloning issues
6171 if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
6172 !jQuery.isXMLDoc( elem ) ) {
6174 // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
6175 destElements = getAll( clone );
6176 srcElements = getAll( elem );
6178 for ( i = 0, l = srcElements.length; i < l; i++ ) {
6179 fixInput( srcElements[ i ], destElements[ i ] );
6180 }
6181 }
6183 // Copy the events from the original to the clone
6184 if ( dataAndEvents ) {
6185 if ( deepDataAndEvents ) {
6186 srcElements = srcElements || getAll( elem );
6187 destElements = destElements || getAll( clone );
6189 for ( i = 0, l = srcElements.length; i < l; i++ ) {
6190 cloneCopyEvent( srcElements[ i ], destElements[ i ] );
6191 }
6192 } else {
6193 cloneCopyEvent( elem, clone );
6194 }
6195 }
6197 // Preserve script evaluation history
6198 destElements = getAll( clone, "script" );
6199 if ( destElements.length > 0 ) {
6200 setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
6201 }
6203 // Return the cloned set
6204 return clone;
6205 },
6207 cleanData: function( elems ) {
6208 var data, elem, type,
6209 special = jQuery.event.special,
6210 i = 0;
6212 for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
6213 if ( acceptData( elem ) ) {
6214 if ( ( data = elem[ dataPriv.expando ] ) ) {
6215 if ( data.events ) {
6216 for ( type in data.events ) {
6217 if ( special[ type ] ) {
6218 jQuery.event.remove( elem, type );
6220 // This is a shortcut to avoid jQuery.event.remove's overhead
6221 } else {
6222 jQuery.removeEvent( elem, type, data.handle );
6223 }
6224 }
6225 }
6227 // Support: Chrome <=35 - 45+
6228 // Assign undefined instead of using delete, see Data#remove
6229 elem[ dataPriv.expando ] = undefined;
6230 }
6231 if ( elem[ dataUser.expando ] ) {
6233 // Support: Chrome <=35 - 45+
6234 // Assign undefined instead of using delete, see Data#remove
6235 elem[ dataUser.expando ] = undefined;
6236 }
6237 }
6238 }
6239 }
6240 } );
6242 jQuery.fn.extend( {
6243 detach: function( selector ) {
6244 return remove( this, selector, true );
6245 },
6247 remove: function( selector ) {
6248 return remove( this, selector );
6249 },
6251 text: function( value ) {
6252 return access( this, function( value ) {
6253 return value === undefined ?
6254 jQuery.text( this ) :
6255 this.empty().each( function() {
6256 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6257 this.textContent = value;
6258 }
6259 } );
6260 }, null, value, arguments.length );
6261 },
6263 append: function() {
6264 return domManip( this, arguments, function( elem ) {
6265 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6266 var target = manipulationTarget( this, elem );
6267 target.appendChild( elem );
6268 }
6269 } );
6270 },
6272 prepend: function() {
6273 return domManip( this, arguments, function( elem ) {
6274 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6275 var target = manipulationTarget( this, elem );
6276 target.insertBefore( elem, target.firstChild );
6277 }
6278 } );
6279 },
6281 before: function() {
6282 return domManip( this, arguments, function( elem ) {
6283 if ( this.parentNode ) {
6284 this.parentNode.insertBefore( elem, this );
6285 }
6286 } );
6287 },
6289 after: function() {
6290 return domManip( this, arguments, function( elem ) {
6291 if ( this.parentNode ) {
6292 this.parentNode.insertBefore( elem, this.nextSibling );
6293 }
6294 } );
6295 },
6297 empty: function() {
6298 var elem,
6299 i = 0;
6301 for ( ; ( elem = this[ i ] ) != null; i++ ) {
6302 if ( elem.nodeType === 1 ) {
6304 // Prevent memory leaks
6305 jQuery.cleanData( getAll( elem, false ) );
6307 // Remove any remaining nodes
6308 elem.textContent = "";
6309 }
6310 }
6312 return this;
6313 },
6315 clone: function( dataAndEvents, deepDataAndEvents ) {
6316 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
6317 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
6319 return this.map( function() {
6320 return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
6321 } );
6322 },
6324 html: function( value ) {
6325 return access( this, function( value ) {
6326 var elem = this[ 0 ] || {},
6327 i = 0,
6328 l = this.length;
6330 if ( value === undefined && elem.nodeType === 1 ) {
6331 return elem.innerHTML;
6332 }
6334 // See if we can take a shortcut and just use innerHTML
6335 if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
6336 !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
6338 value = jQuery.htmlPrefilter( value );
6340 try {
6341 for ( ; i < l; i++ ) {
6342 elem = this[ i ] || {};
6344 // Remove element nodes and prevent memory leaks
6345 if ( elem.nodeType === 1 ) {
6346 jQuery.cleanData( getAll( elem, false ) );
6347 elem.innerHTML = value;
6348 }
6349 }
6351 elem = 0;
6353 // If using innerHTML throws an exception, use the fallback method
6354 } catch ( e ) {}
6355 }
6357 if ( elem ) {
6358 this.empty().append( value );
6359 }
6360 }, null, value, arguments.length );
6361 },
6363 replaceWith: function() {
6364 var ignored = [];
6366 // Make the changes, replacing each non-ignored context element with the new content
6367 return domManip( this, arguments, function( elem ) {
6368 var parent = this.parentNode;
6370 if ( jQuery.inArray( this, ignored ) < 0 ) {
6371 jQuery.cleanData( getAll( this ) );
6372 if ( parent ) {
6373 parent.replaceChild( elem, this );
6374 }
6375 }
6377 // Force callback invocation
6378 }, ignored );
6379 }
6380 } );
6382 jQuery.each( {
6383 appendTo: "append",
6384 prependTo: "prepend",
6385 insertBefore: "before",
6386 insertAfter: "after",
6387 replaceAll: "replaceWith"
6388 }, function( name, original ) {
6389 jQuery.fn[ name ] = function( selector ) {
6390 var elems,
6391 ret = [],
6392 insert = jQuery( selector ),
6393 last = insert.length - 1,
6394 i = 0;
6396 for ( ; i <= last; i++ ) {
6397 elems = i === last ? this : this.clone( true );
6398 jQuery( insert[ i ] )[ original ]( elems );
6400 // Support: Android <=4.0 only, PhantomJS 1 only
6401 // .get() because push.apply(_, arraylike) throws on ancient WebKit
6402 push.apply( ret, elems.get() );
6403 }
6405 return this.pushStack( ret );
6406 };
6407 } );
6408 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6410 var getStyles = function( elem ) {
6412 // Support: IE <=11 only, Firefox <=30 (#15098, #14150)
6413 // IE throws on elements created in popups
6414 // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
6415 var view = elem.ownerDocument.defaultView;
6417 if ( !view || !view.opener ) {
6418 view = window;
6419 }
6421 return view.getComputedStyle( elem );
6422 };
6424 var swap = function( elem, options, callback ) {
6425 var ret, name,
6426 old = {};
6428 // Remember the old values, and insert the new ones
6429 for ( name in options ) {
6430 old[ name ] = elem.style[ name ];
6431 elem.style[ name ] = options[ name ];
6432 }
6434 ret = callback.call( elem );
6436 // Revert the old values
6437 for ( name in options ) {
6438 elem.style[ name ] = old[ name ];
6439 }
6441 return ret;
6442 };
6445 var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
6449 ( function() {
6451 // Executing both pixelPosition & boxSizingReliable tests require only one layout
6452 // so they're executed at the same time to save the second computation.
6453 function computeStyleTests() {
6455 // This is a singleton, we need to execute it only once
6456 if ( !div ) {
6457 return;
6458 }
6460 container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
6461 "margin-top:1px;padding:0;border:0";
6462 div.style.cssText =
6463 "position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
6464 "margin:auto;border:1px;padding:1px;" +
6465 "width:60%;top:1%";
6466 documentElement.appendChild( container ).appendChild( div );
6468 var divStyle = window.getComputedStyle( div );
6469 pixelPositionVal = divStyle.top !== "1%";
6471 // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
6472 reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
6474 // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
6475 // Some styles come back with percentage values, even though they shouldn't
6476 div.style.right = "60%";
6477 pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;
6479 // Support: IE 9 - 11 only
6480 // Detect misreporting of content dimensions for box-sizing:border-box elements
6481 boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
6483 // Support: IE 9 only
6484 // Detect overflow:scroll screwiness (gh-3699)
6485 // Support: Chrome <=64
6486 // Don't get tricked when zoom affects offsetWidth (gh-4029)
6487 div.style.position = "absolute";
6488 scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12;
6490 documentElement.removeChild( container );
6492 // Nullify the div so it wouldn't be stored in the memory and
6493 // it will also be a sign that checks already performed
6494 div = null;
6495 }
6497 function roundPixelMeasures( measure ) {
6498 return Math.round( parseFloat( measure ) );
6499 }
6501 var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
6502 reliableTrDimensionsVal, reliableMarginLeftVal,
6503 container = document.createElement( "div" ),
6504 div = document.createElement( "div" );
6506 // Finish early in limited (non-browser) environments
6507 if ( !div.style ) {
6508 return;
6509 }
6511 // Support: IE <=9 - 11 only
6512 // Style of cloned element affects source element cloned (#8908)
6513 div.style.backgroundClip = "content-box";
6514 div.cloneNode( true ).style.backgroundClip = "";
6515 support.clearCloneStyle = div.style.backgroundClip === "content-box";
6517 jQuery.extend( support, {
6518 boxSizingReliable: function() {
6519 computeStyleTests();
6520 return boxSizingReliableVal;
6521 },
6522 pixelBoxStyles: function() {
6523 computeStyleTests();
6524 return pixelBoxStylesVal;
6525 },
6526 pixelPosition: function() {
6527 computeStyleTests();
6528 return pixelPositionVal;
6529 },
6530 reliableMarginLeft: function() {
6531 computeStyleTests();
6532 return reliableMarginLeftVal;
6533 },
6534 scrollboxSize: function() {
6535 computeStyleTests();
6536 return scrollboxSizeVal;
6537 },
6539 // Support: IE 9 - 11+, Edge 15 - 18+
6540 // IE/Edge misreport `getComputedStyle` of table rows with width/height
6541 // set in CSS while `offset*` properties report correct values.
6542 // Behavior in IE 9 is more subtle than in newer versions & it passes
6543 // some versions of this test; make sure not to make it pass there!
6544 reliableTrDimensions: function() {
6545 var table, tr, trChild, trStyle;
6546 if ( reliableTrDimensionsVal == null ) {
6547 table = document.createElement( "table" );
6548 tr = document.createElement( "tr" );
6549 trChild = document.createElement( "div" );
6551 table.style.cssText = "position:absolute;left:-11111px";
6552 tr.style.height = "1px";
6553 trChild.style.height = "9px";
6555 documentElement
6556 .appendChild( table )
6557 .appendChild( tr )
6558 .appendChild( trChild );
6560 trStyle = window.getComputedStyle( tr );
6561 reliableTrDimensionsVal = parseInt( trStyle.height ) > 3;
6563 documentElement.removeChild( table );
6564 }
6565 return reliableTrDimensionsVal;
6566 }
6567 } );
6568 } )();
6571 function curCSS( elem, name, computed ) {
6572 var width, minWidth, maxWidth, ret,
6574 // Support: Firefox 51+
6575 // Retrieving style before computed somehow
6576 // fixes an issue with getting wrong values
6577 // on detached elements
6578 style = elem.style;
6580 computed = computed || getStyles( elem );
6582 // getPropertyValue is needed for:
6583 // .css('filter') (IE 9 only, #12537)
6584 // .css('--customProperty) (#3144)
6585 if ( computed ) {
6586 ret = computed.getPropertyValue( name ) || computed[ name ];
6588 if ( ret === "" && !isAttached( elem ) ) {
6589 ret = jQuery.style( elem, name );
6590 }
6592 // A tribute to the "awesome hack by Dean Edwards"
6593 // Android Browser returns percentage for some values,
6594 // but width seems to be reliably pixels.
6595 // This is against the CSSOM draft spec:
6596 // https://drafts.csswg.org/cssom/#resolved-values
6597 if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
6599 // Remember the original values
6600 width = style.width;
6601 minWidth = style.minWidth;
6602 maxWidth = style.maxWidth;
6604 // Put in the new values to get a computed value out
6605 style.minWidth = style.maxWidth = style.width = ret;
6606 ret = computed.width;
6608 // Revert the changed values
6609 style.width = width;
6610 style.minWidth = minWidth;
6611 style.maxWidth = maxWidth;
6612 }
6613 }
6615 return ret !== undefined ?
6617 // Support: IE <=9 - 11 only
6618 // IE returns zIndex value as an integer.
6619 ret + "" :
6620 ret;
6621 }
6624 function addGetHookIf( conditionFn, hookFn ) {
6626 // Define the hook, we'll check on the first run if it's really needed.
6627 return {
6628 get: function() {
6629 if ( conditionFn() ) {
6631 // Hook not needed (or it's not possible to use it due
6632 // to missing dependency), remove it.
6633 delete this.get;
6634 return;
6635 }
6637 // Hook needed; redefine it so that the support test is not executed again.
6638 return ( this.get = hookFn ).apply( this, arguments );
6639 }
6640 };
6641 }
6644 var cssPrefixes = [ "Webkit", "Moz", "ms" ],
6645 emptyStyle = document.createElement( "div" ).style,
6646 vendorProps = {};
6648 // Return a vendor-prefixed property or undefined
6649 function vendorPropName( name ) {
6651 // Check for vendor prefixed names
6652 var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
6653 i = cssPrefixes.length;
6655 while ( i-- ) {
6656 name = cssPrefixes[ i ] + capName;
6657 if ( name in emptyStyle ) {
6658 return name;
6659 }
6660 }
6661 }
6663 // Return a potentially-mapped jQuery.cssProps or vendor prefixed property
6664 function finalPropName( name ) {
6665 var final = jQuery.cssProps[ name ] || vendorProps[ name ];
6667 if ( final ) {
6668 return final;
6669 }
6670 if ( name in emptyStyle ) {
6671 return name;
6672 }
6673 return vendorProps[ name ] = vendorPropName( name ) || name;
6674 }
6677 var
6679 // Swappable if display is none or starts with table
6680 // except "table", "table-cell", or "table-caption"
6681 // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6682 rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6683 rcustomProp = /^--/,
6684 cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6685 cssNormalTransform = {
6686 letterSpacing: "0",
6687 fontWeight: "400"
6688 };
6690 function setPositiveNumber( _elem, value, subtract ) {
6692 // Any relative (+/-) values have already been
6693 // normalized at this point
6694 var matches = rcssNum.exec( value );
6695 return matches ?
6697 // Guard against undefined "subtract", e.g., when used as in cssHooks
6698 Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
6699 value;
6700 }
6702 function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
6703 var i = dimension === "width" ? 1 : 0,
6704 extra = 0,
6705 delta = 0;
6707 // Adjustment may not be necessary
6708 if ( box === ( isBorderBox ? "border" : "content" ) ) {
6709 return 0;
6710 }
6712 for ( ; i < 4; i += 2 ) {
6714 // Both box models exclude margin
6715 if ( box === "margin" ) {
6716 delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
6717 }
6719 // If we get here with a content-box, we're seeking "padding" or "border" or "margin"
6720 if ( !isBorderBox ) {
6722 // Add padding
6723 delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6725 // For "border" or "margin", add border
6726 if ( box !== "padding" ) {
6727 delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6729 // But still keep track of it otherwise
6730 } else {
6731 extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6732 }
6734 // If we get here with a border-box (content + padding + border), we're seeking "content" or
6735 // "padding" or "margin"
6736 } else {
6738 // For "content", subtract padding
6739 if ( box === "content" ) {
6740 delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6741 }
6743 // For "content" or "padding", subtract border
6744 if ( box !== "margin" ) {
6745 delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6746 }
6747 }
6748 }
6750 // Account for positive content-box scroll gutter when requested by providing computedVal
6751 if ( !isBorderBox && computedVal >= 0 ) {
6753 // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
6754 // Assuming integer scroll gutter, subtract the rest and round down
6755 delta += Math.max( 0, Math.ceil(
6756 elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
6757 computedVal -
6758 delta -
6759 extra -
6760 0.5
6762 // If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
6763 // Use an explicit zero to avoid NaN (gh-3964)
6764 ) ) || 0;
6765 }
6767 return delta;
6768 }
6770 function getWidthOrHeight( elem, dimension, extra ) {
6772 // Start with computed style
6773 var styles = getStyles( elem ),
6775 // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322).
6776 // Fake content-box until we know it's needed to know the true value.
6777 boxSizingNeeded = !support.boxSizingReliable() || extra,
6778 isBorderBox = boxSizingNeeded &&
6779 jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6780 valueIsBorderBox = isBorderBox,
6782 val = curCSS( elem, dimension, styles ),
6783 offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 );
6785 // Support: Firefox <=54
6786 // Return a confounding non-pixel value or feign ignorance, as appropriate.
6787 if ( rnumnonpx.test( val ) ) {
6788 if ( !extra ) {
6789 return val;
6790 }
6791 val = "auto";
6792 }
6795 // Support: IE 9 - 11 only
6796 // Use offsetWidth/offsetHeight for when box sizing is unreliable.
6797 // In those cases, the computed value can be trusted to be border-box.
6798 if ( ( !support.boxSizingReliable() && isBorderBox ||
6800 // Support: IE 10 - 11+, Edge 15 - 18+
6801 // IE/Edge misreport `getComputedStyle` of table rows with width/height
6802 // set in CSS while `offset*` properties report correct values.
6803 // Interestingly, in some cases IE 9 doesn't suffer from this issue.
6804 !support.reliableTrDimensions() && nodeName( elem, "tr" ) ||
6806 // Fall back to offsetWidth/offsetHeight when value is "auto"
6807 // This happens for inline elements with no explicit setting (gh-3571)
6808 val === "auto" ||
6810 // Support: Android <=4.1 - 4.3 only
6811 // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
6812 !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) &&
6814 // Make sure the element is visible & connected
6815 elem.getClientRects().length ) {
6817 isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
6819 // Where available, offsetWidth/offsetHeight approximate border box dimensions.
6820 // Where not available (e.g., SVG), assume unreliable box-sizing and interpret the
6821 // retrieved value as a content box dimension.
6822 valueIsBorderBox = offsetProp in elem;
6823 if ( valueIsBorderBox ) {
6824 val = elem[ offsetProp ];
6825 }
6826 }
6828 // Normalize "" and auto
6829 val = parseFloat( val ) || 0;
6831 // Adjust for the element's box model
6832 return ( val +
6833 boxModelAdjustment(
6834 elem,
6835 dimension,
6836 extra || ( isBorderBox ? "border" : "content" ),
6837 valueIsBorderBox,
6838 styles,
6840 // Provide the current computed size to request scroll gutter calculation (gh-3589)
6841 val
6842 )
6843 ) + "px";
6844 }
6846 jQuery.extend( {
6848 // Add in style property hooks for overriding the default
6849 // behavior of getting and setting a style property
6850 cssHooks: {
6851 opacity: {
6852 get: function( elem, computed ) {
6853 if ( computed ) {
6855 // We should always get a number back from opacity
6856 var ret = curCSS( elem, "opacity" );
6857 return ret === "" ? "1" : ret;
6858 }
6859 }
6860 }
6861 },
6863 // Don't automatically add "px" to these possibly-unitless properties
6864 cssNumber: {
6865 "animationIterationCount": true,
6866 "columnCount": true,
6867 "fillOpacity": true,
6868 "flexGrow": true,
6869 "flexShrink": true,
6870 "fontWeight": true,
6871 "gridArea": true,
6872 "gridColumn": true,
6873 "gridColumnEnd": true,
6874 "gridColumnStart": true,
6875 "gridRow": true,
6876 "gridRowEnd": true,
6877 "gridRowStart": true,
6878 "lineHeight": true,
6879 "opacity": true,
6880 "order": true,
6881 "orphans": true,
6882 "widows": true,
6883 "zIndex": true,
6884 "zoom": true
6885 },
6887 // Add in properties whose names you wish to fix before
6888 // setting or getting the value
6889 cssProps: {},
6891 // Get and set the style property on a DOM Node
6892 style: function( elem, name, value, extra ) {
6894 // Don't set styles on text and comment nodes
6895 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6896 return;
6897 }
6899 // Make sure that we're working with the right name
6900 var ret, type, hooks,
6901 origName = camelCase( name ),
6902 isCustomProp = rcustomProp.test( name ),
6903 style = elem.style;
6905 // Make sure that we're working with the right name. We don't
6906 // want to query the value if it is a CSS custom property
6907 // since they are user-defined.
6908 if ( !isCustomProp ) {
6909 name = finalPropName( origName );
6910 }
6912 // Gets hook for the prefixed version, then unprefixed version
6913 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6915 // Check if we're setting a value
6916 if ( value !== undefined ) {
6917 type = typeof value;
6919 // Convert "+=" or "-=" to relative numbers (#7345)
6920 if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
6921 value = adjustCSS( elem, name, ret );
6923 // Fixes bug #9237
6924 type = "number";
6925 }
6927 // Make sure that null and NaN values aren't set (#7116)
6928 if ( value == null || value !== value ) {
6929 return;
6930 }
6932 // If a number was passed in, add the unit (except for certain CSS properties)
6933 // The isCustomProp check can be removed in jQuery 4.0 when we only auto-append
6934 // "px" to a few hardcoded values.
6935 if ( type === "number" && !isCustomProp ) {
6936 value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
6937 }
6939 // background-* props affect original clone's values
6940 if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
6941 style[ name ] = "inherit";
6942 }
6944 // If a hook was provided, use that value, otherwise just set the specified value
6945 if ( !hooks || !( "set" in hooks ) ||
6946 ( value = hooks.set( elem, value, extra ) ) !== undefined ) {
6948 if ( isCustomProp ) {
6949 style.setProperty( name, value );
6950 } else {
6951 style[ name ] = value;
6952 }
6953 }
6955 } else {
6957 // If a hook was provided get the non-computed value from there
6958 if ( hooks && "get" in hooks &&
6959 ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
6961 return ret;
6962 }
6964 // Otherwise just get the value from the style object
6965 return style[ name ];
6966 }
6967 },
6969 css: function( elem, name, extra, styles ) {
6970 var val, num, hooks,
6971 origName = camelCase( name ),
6972 isCustomProp = rcustomProp.test( name );
6974 // Make sure that we're working with the right name. We don't
6975 // want to modify the value if it is a CSS custom property
6976 // since they are user-defined.
6977 if ( !isCustomProp ) {
6978 name = finalPropName( origName );
6979 }
6981 // Try prefixed name followed by the unprefixed name
6982 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6984 // If a hook was provided get the computed value from there
6985 if ( hooks && "get" in hooks ) {
6986 val = hooks.get( elem, true, extra );
6987 }
6989 // Otherwise, if a way to get the computed value exists, use that
6990 if ( val === undefined ) {
6991 val = curCSS( elem, name, styles );
6992 }
6994 // Convert "normal" to computed value
6995 if ( val === "normal" && name in cssNormalTransform ) {
6996 val = cssNormalTransform[ name ];
6997 }
6999 // Make numeric if forced or a qualifier was provided and val looks numeric
7000 if ( extra === "" || extra ) {
7001 num = parseFloat( val );
7002 return extra === true || isFinite( num ) ? num || 0 : val;
7003 }
7005 return val;
7006 }
7007 } );
7009 jQuery.each( [ "height", "width" ], function( _i, dimension ) {
7010 jQuery.cssHooks[ dimension ] = {
7011 get: function( elem, computed, extra ) {
7012 if ( computed ) {
7014 // Certain elements can have dimension info if we invisibly show them
7015 // but it must have a current display style that would benefit
7016 return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
7018 // Support: Safari 8+
7019 // Table columns in Safari have non-zero offsetWidth & zero
7020 // getBoundingClientRect().width unless display is changed.
7021 // Support: IE <=11 only
7022 // Running getBoundingClientRect on a disconnected node
7023 // in IE throws an error.
7024 ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
7025 swap( elem, cssShow, function() {
7026 return getWidthOrHeight( elem, dimension, extra );
7027 } ) :
7028 getWidthOrHeight( elem, dimension, extra );
7029 }
7030 },
7032 set: function( elem, value, extra ) {
7033 var matches,
7034 styles = getStyles( elem ),
7036 // Only read styles.position if the test has a chance to fail
7037 // to avoid forcing a reflow.
7038 scrollboxSizeBuggy = !support.scrollboxSize() &&
7039 styles.position === "absolute",
7041 // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991)
7042 boxSizingNeeded = scrollboxSizeBuggy || extra,
7043 isBorderBox = boxSizingNeeded &&
7044 jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
7045 subtract = extra ?
7046 boxModelAdjustment(
7047 elem,
7048 dimension,
7049 extra,
7050 isBorderBox,
7051 styles
7052 ) :
7053 0;
7055 // Account for unreliable border-box dimensions by comparing offset* to computed and
7056 // faking a content-box to get border and padding (gh-3699)
7057 if ( isBorderBox && scrollboxSizeBuggy ) {
7058 subtract -= Math.ceil(
7059 elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
7060 parseFloat( styles[ dimension ] ) -
7061 boxModelAdjustment( elem, dimension, "border", false, styles ) -
7062 0.5
7063 );
7064 }
7066 // Convert to pixels if value adjustment is needed
7067 if ( subtract && ( matches = rcssNum.exec( value ) ) &&
7068 ( matches[ 3 ] || "px" ) !== "px" ) {
7070 elem.style[ dimension ] = value;
7071 value = jQuery.css( elem, dimension );
7072 }
7074 return setPositiveNumber( elem, value, subtract );
7075 }
7076 };
7077 } );
7079 jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
7080 function( elem, computed ) {
7081 if ( computed ) {
7082 return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
7083 elem.getBoundingClientRect().left -
7084 swap( elem, { marginLeft: 0 }, function() {
7085 return elem.getBoundingClientRect().left;
7086 } )
7087 ) + "px";
7088 }
7089 }
7090 );
7092 // These hooks are used by animate to expand properties
7093 jQuery.each( {
7094 margin: "",
7095 padding: "",
7096 border: "Width"
7097 }, function( prefix, suffix ) {
7098 jQuery.cssHooks[ prefix + suffix ] = {
7099 expand: function( value ) {
7100 var i = 0,
7101 expanded = {},
7103 // Assumes a single number if not a string
7104 parts = typeof value === "string" ? value.split( " " ) : [ value ];
7106 for ( ; i < 4; i++ ) {
7107 expanded[ prefix + cssExpand[ i ] + suffix ] =
7108 parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
7109 }
7111 return expanded;
7112 }
7113 };
7115 if ( prefix !== "margin" ) {
7116 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
7117 }
7118 } );
7120 jQuery.fn.extend( {
7121 css: function( name, value ) {
7122 return access( this, function( elem, name, value ) {
7123 var styles, len,
7124 map = {},
7125 i = 0;
7127 if ( Array.isArray( name ) ) {
7128 styles = getStyles( elem );
7129 len = name.length;
7131 for ( ; i < len; i++ ) {
7132 map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
7133 }
7135 return map;
7136 }
7138 return value !== undefined ?
7139 jQuery.style( elem, name, value ) :
7140 jQuery.css( elem, name );
7141 }, name, value, arguments.length > 1 );
7142 }
7143 } );
7146 // Based off of the plugin by Clint Helfers, with permission.
7147 // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
7148 jQuery.fn.delay = function( time, type ) {
7149 time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
7150 type = type || "fx";
7152 return this.queue( type, function( next, hooks ) {
7153 var timeout = window.setTimeout( next, time );
7154 hooks.stop = function() {
7155 window.clearTimeout( timeout );
7156 };
7157 } );
7158 };
7161 ( function() {
7162 var input = document.createElement( "input" ),
7163 select = document.createElement( "select" ),
7164 opt = select.appendChild( document.createElement( "option" ) );
7166 input.type = "checkbox";
7168 // Support: Android <=4.3 only
7169 // Default value for a checkbox should be "on"
7170 support.checkOn = input.value !== "";
7172 // Support: IE <=11 only
7173 // Must access selectedIndex to make default options select
7174 support.optSelected = opt.selected;
7176 // Support: IE <=11 only
7177 // An input loses its value after becoming a radio
7178 input = document.createElement( "input" );
7179 input.value = "t";
7180 input.type = "radio";
7181 support.radioValue = input.value === "t";
7182 } )();
7185 var boolHook,
7186 attrHandle = jQuery.expr.attrHandle;
7188 jQuery.fn.extend( {
7189 attr: function( name, value ) {
7190 return access( this, jQuery.attr, name, value, arguments.length > 1 );
7191 },
7193 removeAttr: function( name ) {
7194 return this.each( function() {
7195 jQuery.removeAttr( this, name );
7196 } );
7197 }
7198 } );
7200 jQuery.extend( {
7201 attr: function( elem, name, value ) {
7202 var ret, hooks,
7203 nType = elem.nodeType;
7205 // Don't get/set attributes on text, comment and attribute nodes
7206 if ( nType === 3 || nType === 8 || nType === 2 ) {
7207 return;
7208 }
7210 // Fallback to prop when attributes are not supported
7211 if ( typeof elem.getAttribute === "undefined" ) {
7212 return jQuery.prop( elem, name, value );
7213 }
7215 // Attribute hooks are determined by the lowercase version
7216 // Grab necessary hook if one is defined
7217 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7218 hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
7219 ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
7220 }
7222 if ( value !== undefined ) {
7223 if ( value === null ) {
7224 jQuery.removeAttr( elem, name );
7225 return;
7226 }
7228 if ( hooks && "set" in hooks &&
7229 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
7230 return ret;
7231 }
7233 elem.setAttribute( name, value + "" );
7234 return value;
7235 }
7237 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
7238 return ret;
7239 }
7241 ret = jQuery.find.attr( elem, name );
7243 // Non-existent attributes return null, we normalize to undefined
7244 return ret == null ? undefined : ret;
7245 },
7247 attrHooks: {
7248 type: {
7249 set: function( elem, value ) {
7250 if ( !support.radioValue && value === "radio" &&
7251 nodeName( elem, "input" ) ) {
7252 var val = elem.value;
7253 elem.setAttribute( "type", value );
7254 if ( val ) {
7255 elem.value = val;
7256 }
7257 return value;
7258 }
7259 }
7260 }
7261 },
7263 removeAttr: function( elem, value ) {
7264 var name,
7265 i = 0,
7267 // Attribute names can contain non-HTML whitespace characters
7268 // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
7269 attrNames = value && value.match( rnothtmlwhite );
7271 if ( attrNames && elem.nodeType === 1 ) {
7272 while ( ( name = attrNames[ i++ ] ) ) {
7273 elem.removeAttribute( name );
7274 }
7275 }
7276 }
7277 } );
7279 // Hooks for boolean attributes
7280 boolHook = {
7281 set: function( elem, value, name ) {
7282 if ( value === false ) {
7284 // Remove boolean attributes when set to false
7285 jQuery.removeAttr( elem, name );
7286 } else {
7287 elem.setAttribute( name, name );
7288 }
7289 return name;
7290 }
7291 };
7293 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( _i, name ) {
7294 var getter = attrHandle[ name ] || jQuery.find.attr;
7296 attrHandle[ name ] = function( elem, name, isXML ) {
7297 var ret, handle,
7298 lowercaseName = name.toLowerCase();
7300 if ( !isXML ) {
7302 // Avoid an infinite loop by temporarily removing this function from the getter
7303 handle = attrHandle[ lowercaseName ];
7304 attrHandle[ lowercaseName ] = ret;
7305 ret = getter( elem, name, isXML ) != null ?
7306 lowercaseName :
7307 null;
7308 attrHandle[ lowercaseName ] = handle;
7309 }
7310 return ret;
7311 };
7312 } );
7317 var rfocusable = /^(?:input|select|textarea|button)$/i,
7318 rclickable = /^(?:a|area)$/i;
7320 jQuery.fn.extend( {
7321 prop: function( name, value ) {
7322 return access( this, jQuery.prop, name, value, arguments.length > 1 );
7323 },
7325 removeProp: function( name ) {
7326 return this.each( function() {
7327 delete this[ jQuery.propFix[ name ] || name ];
7328 } );
7329 }
7330 } );
7332 jQuery.extend( {
7333 prop: function( elem, name, value ) {
7334 var ret, hooks,
7335 nType = elem.nodeType;
7337 // Don't get/set properties on text, comment and attribute nodes
7338 if ( nType === 3 || nType === 8 || nType === 2 ) {
7339 return;
7340 }
7342 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7344 // Fix name and attach hooks
7345 name = jQuery.propFix[ name ] || name;
7346 hooks = jQuery.propHooks[ name ];
7347 }
7349 if ( value !== undefined ) {
7350 if ( hooks && "set" in hooks &&
7351 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
7352 return ret;
7353 }
7355 return ( elem[ name ] = value );
7356 }
7358 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
7359 return ret;
7360 }
7362 return elem[ name ];
7363 },
7365 propHooks: {
7366 tabIndex: {
7367 get: function( elem ) {
7369 // Support: IE <=9 - 11 only
7370 // elem.tabIndex doesn't always return the
7371 // correct value when it hasn't been explicitly set
7372 // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
7373 // Use proper attribute retrieval(#12072)
7374 var tabindex = jQuery.find.attr( elem, "tabindex" );
7376 if ( tabindex ) {
7377 return parseInt( tabindex, 10 );
7378 }
7380 if (
7381 rfocusable.test( elem.nodeName ) ||
7382 rclickable.test( elem.nodeName ) &&
7383 elem.href
7384 ) {
7385 return 0;
7386 }
7388 return -1;
7389 }
7390 }
7391 },
7393 propFix: {
7394 "for": "htmlFor",
7395 "class": "className"
7396 }
7397 } );
7399 // Support: IE <=11 only
7400 // Accessing the selectedIndex property
7401 // forces the browser to respect setting selected
7402 // on the option
7403 // The getter ensures a default option is selected
7404 // when in an optgroup
7405 // eslint rule "no-unused-expressions" is disabled for this code
7406 // since it considers such accessions noop
7407 if ( !support.optSelected ) {
7408 jQuery.propHooks.selected = {
7409 get: function( elem ) {
7411 /* eslint no-unused-expressions: "off" */
7413 var parent = elem.parentNode;
7414 if ( parent && parent.parentNode ) {
7415 parent.parentNode.selectedIndex;
7416 }
7417 return null;
7418 },
7419 set: function( elem ) {
7421 /* eslint no-unused-expressions: "off" */
7423 var parent = elem.parentNode;
7424 if ( parent ) {
7425 parent.selectedIndex;
7427 if ( parent.parentNode ) {
7428 parent.parentNode.selectedIndex;
7429 }
7430 }
7431 }
7432 };
7433 }
7435 jQuery.each( [
7436 "tabIndex",
7437 "readOnly",
7438 "maxLength",
7439 "cellSpacing",
7440 "cellPadding",
7441 "rowSpan",
7442 "colSpan",
7443 "useMap",
7444 "frameBorder",
7445 "contentEditable"
7446 ], function() {
7447 jQuery.propFix[ this.toLowerCase() ] = this;
7448 } );
7453 // Strip and collapse whitespace according to HTML spec
7454 // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
7455 function stripAndCollapse( value ) {
7456 var tokens = value.match( rnothtmlwhite ) || [];
7457 return tokens.join( " " );
7458 }
7461 function getClass( elem ) {
7462 return elem.getAttribute && elem.getAttribute( "class" ) || "";
7463 }
7465 function classesToArray( value ) {
7466 if ( Array.isArray( value ) ) {
7467 return value;
7468 }
7469 if ( typeof value === "string" ) {
7470 return value.match( rnothtmlwhite ) || [];
7471 }
7472 return [];
7473 }
7475 jQuery.fn.extend( {
7476 addClass: function( value ) {
7477 var classes, elem, cur, curValue, clazz, j, finalValue,
7478 i = 0;
7480 if ( isFunction( value ) ) {
7481 return this.each( function( j ) {
7482 jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
7483 } );
7484 }
7486 classes = classesToArray( value );
7488 if ( classes.length ) {
7489 while ( ( elem = this[ i++ ] ) ) {
7490 curValue = getClass( elem );
7491 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
7493 if ( cur ) {
7494 j = 0;
7495 while ( ( clazz = classes[ j++ ] ) ) {
7496 if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
7497 cur += clazz + " ";
7498 }
7499 }
7501 // Only assign if different to avoid unneeded rendering.
7502 finalValue = stripAndCollapse( cur );
7503 if ( curValue !== finalValue ) {
7504 elem.setAttribute( "class", finalValue );
7505 }
7506 }
7507 }
7508 }
7510 return this;
7511 },
7513 removeClass: function( value ) {
7514 var classes, elem, cur, curValue, clazz, j, finalValue,
7515 i = 0;
7517 if ( isFunction( value ) ) {
7518 return this.each( function( j ) {
7519 jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
7520 } );
7521 }
7523 if ( !arguments.length ) {
7524 return this.attr( "class", "" );
7525 }
7527 classes = classesToArray( value );
7529 if ( classes.length ) {
7530 while ( ( elem = this[ i++ ] ) ) {
7531 curValue = getClass( elem );
7533 // This expression is here for better compressibility (see addClass)
7534 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
7536 if ( cur ) {
7537 j = 0;
7538 while ( ( clazz = classes[ j++ ] ) ) {
7540 // Remove *all* instances
7541 while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
7542 cur = cur.replace( " " + clazz + " ", " " );
7543 }
7544 }
7546 // Only assign if different to avoid unneeded rendering.
7547 finalValue = stripAndCollapse( cur );
7548 if ( curValue !== finalValue ) {
7549 elem.setAttribute( "class", finalValue );
7550 }
7551 }
7552 }
7553 }
7555 return this;
7556 },
7558 toggleClass: function( value, stateVal ) {
7559 var type = typeof value,
7560 isValidValue = type === "string" || Array.isArray( value );
7562 if ( typeof stateVal === "boolean" && isValidValue ) {
7563 return stateVal ? this.addClass( value ) : this.removeClass( value );
7564 }
7566 if ( isFunction( value ) ) {
7567 return this.each( function( i ) {
7568 jQuery( this ).toggleClass(
7569 value.call( this, i, getClass( this ), stateVal ),
7570 stateVal
7571 );
7572 } );
7573 }
7575 return this.each( function() {
7576 var className, i, self, classNames;
7578 if ( isValidValue ) {
7580 // Toggle individual class names
7581 i = 0;
7582 self = jQuery( this );
7583 classNames = classesToArray( value );
7585 while ( ( className = classNames[ i++ ] ) ) {
7587 // Check each className given, space separated list
7588 if ( self.hasClass( className ) ) {
7589 self.removeClass( className );
7590 } else {
7591 self.addClass( className );
7592 }
7593 }
7595 // Toggle whole class name
7596 } else if ( value === undefined || type === "boolean" ) {
7597 className = getClass( this );
7598 if ( className ) {
7600 // Store className if set
7601 dataPriv.set( this, "__className__", className );
7602 }
7604 // If the element has a class name or if we're passed `false`,
7605 // then remove the whole classname (if there was one, the above saved it).
7606 // Otherwise bring back whatever was previously saved (if anything),
7607 // falling back to the empty string if nothing was stored.
7608 if ( this.setAttribute ) {
7609 this.setAttribute( "class",
7610 className || value === false ?
7611 "" :
7612 dataPriv.get( this, "__className__" ) || ""
7613 );
7614 }
7615 }
7616 } );
7617 },
7619 hasClass: function( selector ) {
7620 var className, elem,
7621 i = 0;
7623 className = " " + selector + " ";
7624 while ( ( elem = this[ i++ ] ) ) {
7625 if ( elem.nodeType === 1 &&
7626 ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
7627 return true;
7628 }
7629 }
7631 return false;
7632 }
7633 } );
7638 var rreturn = /\r/g;
7640 jQuery.fn.extend( {
7641 val: function( value ) {
7642 var hooks, ret, valueIsFunction,
7643 elem = this[ 0 ];
7645 if ( !arguments.length ) {
7646 if ( elem ) {
7647 hooks = jQuery.valHooks[ elem.type ] ||
7648 jQuery.valHooks[ elem.nodeName.toLowerCase() ];
7650 if ( hooks &&
7651 "get" in hooks &&
7652 ( ret = hooks.get( elem, "value" ) ) !== undefined
7653 ) {
7654 return ret;
7655 }
7657 ret = elem.value;
7659 // Handle most common string cases
7660 if ( typeof ret === "string" ) {
7661 return ret.replace( rreturn, "" );
7662 }
7664 // Handle cases where value is null/undef or number
7665 return ret == null ? "" : ret;
7666 }
7668 return;
7669 }
7671 valueIsFunction = isFunction( value );
7673 return this.each( function( i ) {
7674 var val;
7676 if ( this.nodeType !== 1 ) {
7677 return;
7678 }
7680 if ( valueIsFunction ) {
7681 val = value.call( this, i, jQuery( this ).val() );
7682 } else {
7683 val = value;
7684 }
7686 // Treat null/undefined as ""; convert numbers to string
7687 if ( val == null ) {
7688 val = "";
7690 } else if ( typeof val === "number" ) {
7691 val += "";
7693 } else if ( Array.isArray( val ) ) {
7694 val = jQuery.map( val, function( value ) {
7695 return value == null ? "" : value + "";
7696 } );
7697 }
7699 hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
7701 // If set returns undefined, fall back to normal setting
7702 if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
7703 this.value = val;
7704 }
7705 } );
7706 }
7707 } );
7709 jQuery.extend( {
7710 valHooks: {
7711 option: {
7712 get: function( elem ) {
7714 var val = jQuery.find.attr( elem, "value" );
7715 return val != null ?
7716 val :
7718 // Support: IE <=10 - 11 only
7719 // option.text throws exceptions (#14686, #14858)
7720 // Strip and collapse whitespace
7721 // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
7722 stripAndCollapse( jQuery.text( elem ) );
7723 }
7724 },
7725 select: {
7726 get: function( elem ) {
7727 var value, option, i,
7728 options = elem.options,
7729 index = elem.selectedIndex,
7730 one = elem.type === "select-one",
7731 values = one ? null : [],
7732 max = one ? index + 1 : options.length;
7734 if ( index < 0 ) {
7735 i = max;
7737 } else {
7738 i = one ? index : 0;
7739 }
7741 // Loop through all the selected options
7742 for ( ; i < max; i++ ) {
7743 option = options[ i ];
7745 // Support: IE <=9 only
7746 // IE8-9 doesn't update selected after form reset (#2551)
7747 if ( ( option.selected || i === index ) &&
7749 // Don't return options that are disabled or in a disabled optgroup
7750 !option.disabled &&
7751 ( !option.parentNode.disabled ||
7752 !nodeName( option.parentNode, "optgroup" ) ) ) {
7754 // Get the specific value for the option
7755 value = jQuery( option ).val();
7757 // We don't need an array for one selects
7758 if ( one ) {
7759 return value;
7760 }
7762 // Multi-Selects return an array
7763 values.push( value );
7764 }
7765 }
7767 return values;
7768 },
7770 set: function( elem, value ) {
7771 var optionSet, option,
7772 options = elem.options,
7773 values = jQuery.makeArray( value ),
7774 i = options.length;
7776 while ( i-- ) {
7777 option = options[ i ];
7779 /* eslint-disable no-cond-assign */
7781 if ( option.selected =
7782 jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
7783 ) {
7784 optionSet = true;
7785 }
7787 /* eslint-enable no-cond-assign */
7788 }
7790 // Force browsers to behave consistently when non-matching value is set
7791 if ( !optionSet ) {
7792 elem.selectedIndex = -1;
7793 }
7794 return values;
7795 }
7796 }
7797 }
7798 } );
7800 // Radios and checkboxes getter/setter
7801 jQuery.each( [ "radio", "checkbox" ], function() {
7802 jQuery.valHooks[ this ] = {
7803 set: function( elem, value ) {
7804 if ( Array.isArray( value ) ) {
7805 return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
7806 }
7807 }
7808 };
7809 if ( !support.checkOn ) {
7810 jQuery.valHooks[ this ].get = function( elem ) {
7811 return elem.getAttribute( "value" ) === null ? "on" : elem.value;
7812 };
7813 }
7814 } );
7819 // Return jQuery for attributes-only inclusion
7822 support.focusin = "onfocusin" in window;
7825 var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
7826 stopPropagationCallback = function( e ) {
7827 e.stopPropagation();
7828 };
7830 jQuery.extend( jQuery.event, {
7832 trigger: function( event, data, elem, onlyHandlers ) {
7834 var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
7835 eventPath = [ elem || document ],
7836 type = hasOwn.call( event, "type" ) ? event.type : event,
7837 namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
7839 cur = lastElement = tmp = elem = elem || document;
7841 // Don't do events on text and comment nodes
7842 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
7843 return;
7844 }
7846 // focus/blur morphs to focusin/out; ensure we're not firing them right now
7847 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
7848 return;
7849 }
7851 if ( type.indexOf( "." ) > -1 ) {
7853 // Namespaced trigger; create a regexp to match event type in handle()
7854 namespaces = type.split( "." );
7855 type = namespaces.shift();
7856 namespaces.sort();
7857 }
7858 ontype = type.indexOf( ":" ) < 0 && "on" + type;
7860 // Caller can pass in a jQuery.Event object, Object, or just an event type string
7861 event = event[ jQuery.expando ] ?
7862 event :
7863 new jQuery.Event( type, typeof event === "object" && event );
7865 // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
7866 event.isTrigger = onlyHandlers ? 2 : 3;
7867 event.namespace = namespaces.join( "." );
7868 event.rnamespace = event.namespace ?
7869 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
7870 null;
7872 // Clean up the event in case it is being reused
7873 event.result = undefined;
7874 if ( !event.target ) {
7875 event.target = elem;
7876 }
7878 // Clone any incoming data and prepend the event, creating the handler arg list
7879 data = data == null ?
7880 [ event ] :
7881 jQuery.makeArray( data, [ event ] );
7883 // Allow special events to draw outside the lines
7884 special = jQuery.event.special[ type ] || {};
7885 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
7886 return;
7887 }
7889 // Determine event propagation path in advance, per W3C events spec (#9951)
7890 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
7891 if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
7893 bubbleType = special.delegateType || type;
7894 if ( !rfocusMorph.test( bubbleType + type ) ) {
7895 cur = cur.parentNode;
7896 }
7897 for ( ; cur; cur = cur.parentNode ) {
7898 eventPath.push( cur );
7899 tmp = cur;
7900 }
7902 // Only add window if we got to document (e.g., not plain obj or detached DOM)
7903 if ( tmp === ( elem.ownerDocument || document ) ) {
7904 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
7905 }
7906 }
7908 // Fire handlers on the event path
7909 i = 0;
7910 while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
7911 lastElement = cur;
7912 event.type = i > 1 ?
7913 bubbleType :
7914 special.bindType || type;
7916 // jQuery handler
7917 handle = (
7918 dataPriv.get( cur, "events" ) || Object.create( null )
7919 )[ event.type ] &&
7920 dataPriv.get( cur, "handle" );
7921 if ( handle ) {
7922 handle.apply( cur, data );
7923 }
7925 // Native handler
7926 handle = ontype && cur[ ontype ];
7927 if ( handle && handle.apply && acceptData( cur ) ) {
7928 event.result = handle.apply( cur, data );
7929 if ( event.result === false ) {
7930 event.preventDefault();
7931 }
7932 }
7933 }
7934 event.type = type;
7936 // If nobody prevented the default action, do it now
7937 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
7939 if ( ( !special._default ||
7940 special._default.apply( eventPath.pop(), data ) === false ) &&
7941 acceptData( elem ) ) {
7943 // Call a native DOM method on the target with the same name as the event.
7944 // Don't do default actions on window, that's where global variables be (#6170)
7945 if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
7947 // Don't re-trigger an onFOO event when we call its FOO() method
7948 tmp = elem[ ontype ];
7950 if ( tmp ) {
7951 elem[ ontype ] = null;
7952 }
7954 // Prevent re-triggering of the same event, since we already bubbled it above
7955 jQuery.event.triggered = type;
7957 if ( event.isPropagationStopped() ) {
7958 lastElement.addEventListener( type, stopPropagationCallback );
7959 }
7961 elem[ type ]();
7963 if ( event.isPropagationStopped() ) {
7964 lastElement.removeEventListener( type, stopPropagationCallback );
7965 }
7967 jQuery.event.triggered = undefined;
7969 if ( tmp ) {
7970 elem[ ontype ] = tmp;
7971 }
7972 }
7973 }
7974 }
7976 return event.result;
7977 },
7979 // Piggyback on a donor event to simulate a different one
7980 // Used only for `focus(in | out)` events
7981 simulate: function( type, elem, event ) {
7982 var e = jQuery.extend(
7983 new jQuery.Event(),
7984 event,
7985 {
7986 type: type,
7987 isSimulated: true
7988 }
7989 );
7991 jQuery.event.trigger( e, null, elem );
7992 }
7994 } );
7996 jQuery.fn.extend( {
7998 trigger: function( type, data ) {
7999 return this.each( function() {
8000 jQuery.event.trigger( type, data, this );
8001 } );
8002 },
8003 triggerHandler: function( type, data ) {
8004 var elem = this[ 0 ];
8005 if ( elem ) {
8006 return jQuery.event.trigger( type, data, elem, true );
8007 }
8008 }
8009 } );
8012 // Support: Firefox <=44
8013 // Firefox doesn't have focus(in | out) events
8014 // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
8015 //
8016 // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
8017 // focus(in | out) events fire after focus & blur events,
8018 // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
8019 // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
8020 if ( !support.focusin ) {
8021 jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
8023 // Attach a single capturing handler on the document while someone wants focusin/focusout
8024 var handler = function( event ) {
8025 jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
8026 };
8028 jQuery.event.special[ fix ] = {
8029 setup: function() {
8031 // Handle: regular nodes (via `this.ownerDocument`), window
8032 // (via `this.document`) & document (via `this`).
8033 var doc = this.ownerDocument || this.document || this,
8034 attaches = dataPriv.access( doc, fix );
8036 if ( !attaches ) {
8037 doc.addEventListener( orig, handler, true );
8038 }
8039 dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
8040 },
8041 teardown: function() {
8042 var doc = this.ownerDocument || this.document || this,
8043 attaches = dataPriv.access( doc, fix ) - 1;
8045 if ( !attaches ) {
8046 doc.removeEventListener( orig, handler, true );
8047 dataPriv.remove( doc, fix );
8049 } else {
8050 dataPriv.access( doc, fix, attaches );
8051 }
8052 }
8053 };
8054 } );
8055 }
8058 // Cross-browser xml parsing
8059 jQuery.parseXML = function( data ) {
8060 var xml;
8061 if ( !data || typeof data !== "string" ) {
8062 return null;
8063 }
8065 // Support: IE 9 - 11 only
8066 // IE throws on parseFromString with invalid input.
8067 try {
8068 xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
8069 } catch ( e ) {
8070 xml = undefined;
8071 }
8073 if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
8074 jQuery.error( "Invalid XML: " + data );
8075 }
8076 return xml;
8077 };
8080 var
8081 rbracket = /\[\]$/,
8082 rCRLF = /\r?\n/g,
8083 rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
8084 rsubmittable = /^(?:input|select|textarea|keygen)/i;
8086 function buildParams( prefix, obj, traditional, add ) {
8087 var name;
8089 if ( Array.isArray( obj ) ) {
8091 // Serialize array item.
8092 jQuery.each( obj, function( i, v ) {
8093 if ( traditional || rbracket.test( prefix ) ) {
8095 // Treat each array item as a scalar.
8096 add( prefix, v );
8098 } else {
8100 // Item is non-scalar (array or object), encode its numeric index.
8101 buildParams(
8102 prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
8103 v,
8104 traditional,
8105 add
8106 );
8107 }
8108 } );
8110 } else if ( !traditional && toType( obj ) === "object" ) {
8112 // Serialize object item.
8113 for ( name in obj ) {
8114 buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
8115 }
8117 } else {
8119 // Serialize scalar item.
8120 add( prefix, obj );
8121 }
8122 }
8124 // Serialize an array of form elements or a set of
8125 // key/values into a query string
8126 jQuery.param = function( a, traditional ) {
8127 var prefix,
8128 s = [],
8129 add = function( key, valueOrFunction ) {
8131 // If value is a function, invoke it and use its return value
8132 var value = isFunction( valueOrFunction ) ?
8133 valueOrFunction() :
8134 valueOrFunction;
8136 s[ s.length ] = encodeURIComponent( key ) + "=" +
8137 encodeURIComponent( value == null ? "" : value );
8138 };
8140 if ( a == null ) {
8141 return "";
8142 }
8144 // If an array was passed in, assume that it is an array of form elements.
8145 if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
8147 // Serialize the form elements
8148 jQuery.each( a, function() {
8149 add( this.name, this.value );
8150 } );
8152 } else {
8154 // If traditional, encode the "old" way (the way 1.3.2 or older
8155 // did it), otherwise encode params recursively.
8156 for ( prefix in a ) {
8157 buildParams( prefix, a[ prefix ], traditional, add );
8158 }
8159 }
8161 // Return the resulting serialization
8162 return s.join( "&" );
8163 };
8165 jQuery.fn.extend( {
8166 serialize: function() {
8167 return jQuery.param( this.serializeArray() );
8168 },
8169 serializeArray: function() {
8170 return this.map( function() {
8172 // Can add propHook for "elements" to filter or add form elements
8173 var elements = jQuery.prop( this, "elements" );
8174 return elements ? jQuery.makeArray( elements ) : this;
8175 } )
8176 .filter( function() {
8177 var type = this.type;
8179 // Use .is( ":disabled" ) so that fieldset[disabled] works
8180 return this.name && !jQuery( this ).is( ":disabled" ) &&
8181 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
8182 ( this.checked || !rcheckableType.test( type ) );
8183 } )
8184 .map( function( _i, elem ) {
8185 var val = jQuery( this ).val();
8187 if ( val == null ) {
8188 return null;
8189 }
8191 if ( Array.isArray( val ) ) {
8192 return jQuery.map( val, function( val ) {
8193 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8194 } );
8195 }
8197 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8198 } ).get();
8199 }
8200 } );
8203 jQuery.fn.extend( {
8204 wrapAll: function( html ) {
8205 var wrap;
8207 if ( this[ 0 ] ) {
8208 if ( isFunction( html ) ) {
8209 html = html.call( this[ 0 ] );
8210 }
8212 // The elements to wrap the target around
8213 wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
8215 if ( this[ 0 ].parentNode ) {
8216 wrap.insertBefore( this[ 0 ] );
8217 }
8219 wrap.map( function() {
8220 var elem = this;
8222 while ( elem.firstElementChild ) {
8223 elem = elem.firstElementChild;
8224 }
8226 return elem;
8227 } ).append( this );
8228 }
8230 return this;
8231 },
8233 wrapInner: function( html ) {
8234 if ( isFunction( html ) ) {
8235 return this.each( function( i ) {
8236 jQuery( this ).wrapInner( html.call( this, i ) );
8237 } );
8238 }
8240 return this.each( function() {
8241 var self = jQuery( this ),
8242 contents = self.contents();
8244 if ( contents.length ) {
8245 contents.wrapAll( html );
8247 } else {
8248 self.append( html );
8249 }
8250 } );
8251 },
8253 wrap: function( html ) {
8254 var htmlIsFunction = isFunction( html );
8256 return this.each( function( i ) {
8257 jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html );
8258 } );
8259 },
8261 unwrap: function( selector ) {
8262 this.parent( selector ).not( "body" ).each( function() {
8263 jQuery( this ).replaceWith( this.childNodes );
8264 } );
8265 return this;
8266 }
8267 } );
8270 jQuery.expr.pseudos.hidden = function( elem ) {
8271 return !jQuery.expr.pseudos.visible( elem );
8272 };
8273 jQuery.expr.pseudos.visible = function( elem ) {
8274 return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
8275 };
8280 // Support: Safari 8 only
8281 // In Safari 8 documents created via document.implementation.createHTMLDocument
8282 // collapse sibling forms: the second one becomes a child of the first one.
8283 // Because of that, this security measure has to be disabled in Safari 8.
8284 // https://bugs.webkit.org/show_bug.cgi?id=137337
8285 support.createHTMLDocument = ( function() {
8286 var body = document.implementation.createHTMLDocument( "" ).body;
8287 body.innerHTML = "<form></form><form></form>";
8288 return body.childNodes.length === 2;
8289 } )();
8292 // Argument "data" should be string of html
8293 // context (optional): If specified, the fragment will be created in this context,
8294 // defaults to document
8295 // keepScripts (optional): If true, will include scripts passed in the html string
8296 jQuery.parseHTML = function( data, context, keepScripts ) {
8297 if ( typeof data !== "string" ) {
8298 return [];
8299 }
8300 if ( typeof context === "boolean" ) {
8301 keepScripts = context;
8302 context = false;
8303 }
8305 var base, parsed, scripts;
8307 if ( !context ) {
8309 // Stop scripts or inline event handlers from being executed immediately
8310 // by using document.implementation
8311 if ( support.createHTMLDocument ) {
8312 context = document.implementation.createHTMLDocument( "" );
8314 // Set the base href for the created document
8315 // so any parsed elements with URLs
8316 // are based on the document's URL (gh-2965)
8317 base = context.createElement( "base" );
8318 base.href = document.location.href;
8319 context.head.appendChild( base );
8320 } else {
8321 context = document;
8322 }
8323 }
8325 parsed = rsingleTag.exec( data );
8326 scripts = !keepScripts && [];
8328 // Single tag
8329 if ( parsed ) {
8330 return [ context.createElement( parsed[ 1 ] ) ];
8331 }
8333 parsed = buildFragment( [ data ], context, scripts );
8335 if ( scripts && scripts.length ) {
8336 jQuery( scripts ).remove();
8337 }
8339 return jQuery.merge( [], parsed.childNodes );
8340 };
8343 jQuery.offset = {
8344 setOffset: function( elem, options, i ) {
8345 var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
8346 position = jQuery.css( elem, "position" ),
8347 curElem = jQuery( elem ),
8348 props = {};
8350 // Set position first, in-case top/left are set even on static elem
8351 if ( position === "static" ) {
8352 elem.style.position = "relative";
8353 }
8355 curOffset = curElem.offset();
8356 curCSSTop = jQuery.css( elem, "top" );
8357 curCSSLeft = jQuery.css( elem, "left" );
8358 calculatePosition = ( position === "absolute" || position === "fixed" ) &&
8359 ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
8361 // Need to be able to calculate position if either
8362 // top or left is auto and position is either absolute or fixed
8363 if ( calculatePosition ) {
8364 curPosition = curElem.position();
8365 curTop = curPosition.top;
8366 curLeft = curPosition.left;
8368 } else {
8369 curTop = parseFloat( curCSSTop ) || 0;
8370 curLeft = parseFloat( curCSSLeft ) || 0;
8371 }
8373 if ( isFunction( options ) ) {
8375 // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
8376 options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
8377 }
8379 if ( options.top != null ) {
8380 props.top = ( options.top - curOffset.top ) + curTop;
8381 }
8382 if ( options.left != null ) {
8383 props.left = ( options.left - curOffset.left ) + curLeft;
8384 }
8386 if ( "using" in options ) {
8387 options.using.call( elem, props );
8389 } else {
8390 if ( typeof props.top === "number" ) {
8391 props.top += "px";
8392 }
8393 if ( typeof props.left === "number" ) {
8394 props.left += "px";
8395 }
8396 curElem.css( props );
8397 }
8398 }
8399 };
8401 jQuery.fn.extend( {
8403 // offset() relates an element's border box to the document origin
8404 offset: function( options ) {
8406 // Preserve chaining for setter
8407 if ( arguments.length ) {
8408 return options === undefined ?
8409 this :
8410 this.each( function( i ) {
8411 jQuery.offset.setOffset( this, options, i );
8412 } );
8413 }
8415 var rect, win,
8416 elem = this[ 0 ];
8418 if ( !elem ) {
8419 return;
8420 }
8422 // Return zeros for disconnected and hidden (display: none) elements (gh-2310)
8423 // Support: IE <=11 only
8424 // Running getBoundingClientRect on a
8425 // disconnected node in IE throws an error
8426 if ( !elem.getClientRects().length ) {
8427 return { top: 0, left: 0 };
8428 }
8430 // Get document-relative position by adding viewport scroll to viewport-relative gBCR
8431 rect = elem.getBoundingClientRect();
8432 win = elem.ownerDocument.defaultView;
8433 return {
8434 top: rect.top + win.pageYOffset,
8435 left: rect.left + win.pageXOffset
8436 };
8437 },
8439 // position() relates an element's margin box to its offset parent's padding box
8440 // This corresponds to the behavior of CSS absolute positioning
8441 position: function() {
8442 if ( !this[ 0 ] ) {
8443 return;
8444 }
8446 var offsetParent, offset, doc,
8447 elem = this[ 0 ],
8448 parentOffset = { top: 0, left: 0 };
8450 // position:fixed elements are offset from the viewport, which itself always has zero offset
8451 if ( jQuery.css( elem, "position" ) === "fixed" ) {
8453 // Assume position:fixed implies availability of getBoundingClientRect
8454 offset = elem.getBoundingClientRect();
8456 } else {
8457 offset = this.offset();
8459 // Account for the *real* offset parent, which can be the document or its root element
8460 // when a statically positioned element is identified
8461 doc = elem.ownerDocument;
8462 offsetParent = elem.offsetParent || doc.documentElement;
8463 while ( offsetParent &&
8464 ( offsetParent === doc.body || offsetParent === doc.documentElement ) &&
8465 jQuery.css( offsetParent, "position" ) === "static" ) {
8467 offsetParent = offsetParent.parentNode;
8468 }
8469 if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) {
8471 // Incorporate borders into its offset, since they are outside its content origin
8472 parentOffset = jQuery( offsetParent ).offset();
8473 parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true );
8474 parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true );
8475 }
8476 }
8478 // Subtract parent offsets and element margins
8479 return {
8480 top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
8481 left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
8482 };
8483 },
8485 // This method will return documentElement in the following cases:
8486 // 1) For the element inside the iframe without offsetParent, this method will return
8487 // documentElement of the parent window
8488 // 2) For the hidden or detached element
8489 // 3) For body or html element, i.e. in case of the html node - it will return itself
8490 //
8491 // but those exceptions were never presented as a real life use-cases
8492 // and might be considered as more preferable results.
8493 //
8494 // This logic, however, is not guaranteed and can change at any point in the future
8495 offsetParent: function() {
8496 return this.map( function() {
8497 var offsetParent = this.offsetParent;
8499 while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
8500 offsetParent = offsetParent.offsetParent;
8501 }
8503 return offsetParent || documentElement;
8504 } );
8505 }
8506 } );
8508 // Create scrollLeft and scrollTop methods
8509 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
8510 var top = "pageYOffset" === prop;
8512 jQuery.fn[ method ] = function( val ) {
8513 return access( this, function( elem, method, val ) {
8515 // Coalesce documents and windows
8516 var win;
8517 if ( isWindow( elem ) ) {
8518 win = elem;
8519 } else if ( elem.nodeType === 9 ) {
8520 win = elem.defaultView;
8521 }
8523 if ( val === undefined ) {
8524 return win ? win[ prop ] : elem[ method ];
8525 }
8527 if ( win ) {
8528 win.scrollTo(
8529 !top ? val : win.pageXOffset,
8530 top ? val : win.pageYOffset
8531 );
8533 } else {
8534 elem[ method ] = val;
8535 }
8536 }, method, val, arguments.length );
8537 };
8538 } );
8540 // Support: Safari <=7 - 9.1, Chrome <=37 - 49
8541 // Add the top/left cssHooks using jQuery.fn.position
8542 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
8543 // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
8544 // getComputedStyle returns percent when specified for top/left/bottom/right;
8545 // rather than make the css module depend on the offset module, just check for it here
8546 jQuery.each( [ "top", "left" ], function( _i, prop ) {
8547 jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
8548 function( elem, computed ) {
8549 if ( computed ) {
8550 computed = curCSS( elem, prop );
8552 // If curCSS returns percentage, fallback to offset
8553 return rnumnonpx.test( computed ) ?
8554 jQuery( elem ).position()[ prop ] + "px" :
8555 computed;
8556 }
8557 }
8558 );
8559 } );
8562 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
8563 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
8564 jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
8565 function( defaultExtra, funcName ) {
8567 // Margin is only for outerHeight, outerWidth
8568 jQuery.fn[ funcName ] = function( margin, value ) {
8569 var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
8570 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
8572 return access( this, function( elem, type, value ) {
8573 var doc;
8575 if ( isWindow( elem ) ) {
8577 // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
8578 return funcName.indexOf( "outer" ) === 0 ?
8579 elem[ "inner" + name ] :
8580 elem.document.documentElement[ "client" + name ];
8581 }
8583 // Get document width or height
8584 if ( elem.nodeType === 9 ) {
8585 doc = elem.documentElement;
8587 // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
8588 // whichever is greatest
8589 return Math.max(
8590 elem.body[ "scroll" + name ], doc[ "scroll" + name ],
8591 elem.body[ "offset" + name ], doc[ "offset" + name ],
8592 doc[ "client" + name ]
8593 );
8594 }
8596 return value === undefined ?
8598 // Get width or height on the element, requesting but not forcing parseFloat
8599 jQuery.css( elem, type, extra ) :
8601 // Set width or height on the element
8602 jQuery.style( elem, type, value, extra );
8603 }, type, chainable ? margin : undefined, chainable );
8604 };
8605 } );
8606 } );
8609 jQuery.fn.extend( {
8611 bind: function( types, data, fn ) {
8612 return this.on( types, null, data, fn );
8613 },
8614 unbind: function( types, fn ) {
8615 return this.off( types, null, fn );
8616 },
8618 delegate: function( selector, types, data, fn ) {
8619 return this.on( types, selector, data, fn );
8620 },
8621 undelegate: function( selector, types, fn ) {
8623 // ( namespace ) or ( selector, types [, fn] )
8624 return arguments.length === 1 ?
8625 this.off( selector, "**" ) :
8626 this.off( types, selector || "**", fn );
8627 },
8629 hover: function( fnOver, fnOut ) {
8630 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
8631 }
8632 } );
8634 jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
8635 "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
8636 "change select submit keydown keypress keyup contextmenu" ).split( " " ),
8637 function( _i, name ) {
8639 // Handle event binding
8640 jQuery.fn[ name ] = function( data, fn ) {
8641 return arguments.length > 0 ?
8642 this.on( name, null, data, fn ) :
8643 this.trigger( name );
8644 };
8645 } );
8650 // Support: Android <=4.0 only
8651 // Make sure we trim BOM and NBSP
8652 var rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
8654 // Bind a function to a context, optionally partially applying any
8655 // arguments.
8656 // jQuery.proxy is deprecated to promote standards (specifically Function#bind)
8657 // However, it is not slated for removal any time soon
8658 jQuery.proxy = function( fn, context ) {
8659 var tmp, args, proxy;
8661 if ( typeof context === "string" ) {
8662 tmp = fn[ context ];
8663 context = fn;
8664 fn = tmp;
8665 }
8667 // Quick check to determine if target is callable, in the spec
8668 // this throws a TypeError, but we will just return undefined.
8669 if ( !isFunction( fn ) ) {
8670 return undefined;
8671 }
8673 // Simulated bind
8674 args = slice.call( arguments, 2 );
8675 proxy = function() {
8676 return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
8677 };
8679 // Set the guid of unique handler to the same of original handler, so it can be removed
8680 proxy.guid = fn.guid = fn.guid || jQuery.guid++;
8682 return proxy;
8683 };
8685 jQuery.holdReady = function( hold ) {
8686 if ( hold ) {
8687 jQuery.readyWait++;
8688 } else {
8689 jQuery.ready( true );
8690 }
8691 };
8692 jQuery.isArray = Array.isArray;
8693 jQuery.parseJSON = JSON.parse;
8694 jQuery.nodeName = nodeName;
8695 jQuery.isFunction = isFunction;
8696 jQuery.isWindow = isWindow;
8697 jQuery.camelCase = camelCase;
8698 jQuery.type = toType;
8700 jQuery.now = Date.now;
8702 jQuery.isNumeric = function( obj ) {
8704 // As of jQuery 3.0, isNumeric is limited to
8705 // strings and numbers (primitives or objects)
8706 // that can be coerced to finite numbers (gh-2662)
8707 var type = jQuery.type( obj );
8708 return ( type === "number" || type === "string" ) &&
8710 // parseFloat NaNs numeric-cast false positives ("")
8711 // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
8712 // subtraction forces infinities to NaN
8713 !isNaN( obj - parseFloat( obj ) );
8714 };
8716 jQuery.trim = function( text ) {
8717 return text == null ?
8718 "" :
8719 ( text + "" ).replace( rtrim, "" );
8720 };
8724 // Register as a named AMD module, since jQuery can be concatenated with other
8725 // files that may use define, but not via a proper concatenation script that
8726 // understands anonymous AMD modules. A named AMD is safest and most robust
8727 // way to register. Lowercase jquery is used because AMD module names are
8728 // derived from file names, and jQuery is normally delivered in a lowercase
8729 // file name. Do this after creating the global so that if an AMD module wants
8730 // to call noConflict to hide this version of jQuery, it will work.
8732 // Note that for maximum portability, libraries that are not jQuery should
8733 // declare themselves as anonymous modules, and avoid setting a global if an
8734 // AMD loader is present. jQuery is a special case. For more information, see
8735 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
8737 if ( typeof define === "function" && define.amd ) {
8738 define( "jquery", [], function() {
8739 return jQuery;
8740 } );
8741 }
8746 var
8748 // Map over jQuery in case of overwrite
8749 _jQuery = window.jQuery,
8751 // Map over the $ in case of overwrite
8752 _$ = window.$;
8754 jQuery.noConflict = function( deep ) {
8755 if ( window.$ === jQuery ) {
8756 window.$ = _$;
8757 }
8759 if ( deep && window.jQuery === jQuery ) {
8760 window.jQuery = _jQuery;
8761 }
8763 return jQuery;
8764 };
8766 // Expose jQuery and $ identifiers, even in AMD
8767 // (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
8768 // and CommonJS for browser emulators (#13566)
8769 if ( typeof noGlobal === "undefined" ) {
8770 window.jQuery = window.$ = jQuery;
8771 }
8776 return jQuery;
8777 } );