src/manipulation.js

   1 (function( jQuery ) {
   2
   3 function createSafeFragment( document ) {
   4         var list = nodeNames.split( "|" ),
   5         safeFrag = document.createDocumentFragment();
   6
   7         if ( safeFrag.createElement ) {
   8                 while ( list.length ) {
   9                         safeFrag.createElement(
  10                                 list.pop()
  11                         );
  12                 }
  13         }
  14         return safeFrag;
  15 }
  16
  17 var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
  18                 "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
  19         rinlinejQuery = / jQuery\d+="(?:\d+|null)"/g,
  20         rleadingWhitespace = /^\s+/,
  21         rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig,
  22         rtagName = /<([\w:]+)/,
  23         rtbody = /<tbody/i,
  24         rhtml = /<|&#?\w+;/,
  25         rnoInnerhtml = /<(?:script|style)/i,
  26         rnocache = /<(?:script|object|embed|option|style)/i,
  27     rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
  28         // checked="checked" or checked
  29         rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
  30         rscriptType = /\/(java|ecma)script/i,
  31         rcleanScript = /^\s*<!(?:\[CDATA\[|\-\-)/,
  32         wrapMap = {
  33                 option: [ 1, "<select multiple='multiple'>", "</select>" ],
  34                 legend: [ 1, "<fieldset>", "</fieldset>" ],
  35                 thead: [ 1, "<table>", "</table>" ],
  36                 tr: [ 2, "<table><tbody>", "</tbody></table>" ],
  37                 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
  38                 col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
  39                 area: [ 1, "<map>", "</map>" ],
  40                 _default: [ 0, "", "" ]
  41         },
  42         safeFragment = createSafeFragment( document );
  43
  44 wrapMap.optgroup = wrapMap.option;
  45 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
  46 wrapMap.th = wrapMap.td;
  47
  48 // IE can't serialize <link> and <script> tags normally
  49 if ( !jQuery.support.htmlSerialize ) {
  50         wrapMap._default = [ 1, "div<div>", "</div>" ];
  51 }
  52
  53 jQuery.fn.extend({
  54         text: function( value ) {
  55                 return jQuery.access( this, function( value ) {
  56                         return value === undefined ?
  57                                 jQuery.text( this ) :
  58                                 this.empty().append( ( this[0] && this[0].ownerDocument || document ).createTextNode( value ) );
  59                 }, null, value, arguments.length );
  60         },
  61
  62         wrapAll: function( html ) {
  63                 if ( jQuery.isFunction( html ) ) {
  64                         return this.each(function(i) {
  65                                 jQuery(this).wrapAll( html.call(this, i) );
  66                         });
  67                 }
  68
  69                 if ( this[0] ) {
  70                         // The elements to wrap the target around
  71                         var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);
  72
  73                         if ( this[0].parentNode ) {
  74                                 wrap.insertBefore( this[0] );
  75                         }
  76
  77                         wrap.map(function() {
  78                                 var elem = this;
  79
  80                                 while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
  81                                         elem = elem.firstChild;
  82                                 }
  83
  84                                 return elem;
  85                         }).append( this );
  86                 }
  87
  88                 return this;
  89         },
  90
  91         wrapInner: function( html ) {
  92                 if ( jQuery.isFunction( html ) ) {
  93                         return this.each(function(i) {
  94                                 jQuery(this).wrapInner( html.call(this, i) );
  95                         });
  96                 }
  97
  98                 return this.each(function() {
  99                         var self = jQuery( this ),
 100                                 contents = self.contents();
 101
 102                         if ( contents.length ) {
 103                                 contents.wrapAll( html );
 104
 105                         } else {
 106                                 self.append( html );
 107                         }
 108                 });
 109         },
 110
 111         wrap: function( html ) {
 112                 var isFunction = jQuery.isFunction( html );
 113
 114                 return this.each(function(i) {
 115                         jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
 116                 });
 117         },
 118
 119         unwrap: function() {
 120                 return this.parent().each(function() {
 121                         if ( !jQuery.nodeName( this, "body" ) ) {
 122                                 jQuery( this ).replaceWith( this.childNodes );
 123                         }
 124                 }).end();
 125         },
 126
 127         append: function() {
 128                 return this.domManip(arguments, true, function( elem ) {
 129                         if ( this.nodeType === 1 ) {
 130                                 this.appendChild( elem );
 131                         }
 132                 });
 133         },
 134
 135         prepend: function() {
 136                 return this.domManip(arguments, true, function( elem ) {
 137                         if ( this.nodeType === 1 ) {
 138                                 this.insertBefore( elem, this.firstChild );
 139                         }
 140                 });
 141         },
 142
 143         before: function() {
 144                 if ( this[0] && this[0].parentNode ) {
 145                         return this.domManip(arguments, false, function( elem ) {
 146                                 this.parentNode.insertBefore( elem, this );
 147                         });
 148                 } else if ( arguments.length ) {
 149                         var set = jQuery.clean( arguments );
 150                         set.push.apply( set, this.toArray() );
 151                         return this.pushStack( set, "before", arguments );
 152                 }
 153         },
 154
 155         after: function() {
 156                 if ( this[0] && this[0].parentNode ) {
 157                         return this.domManip(arguments, false, function( elem ) {
 158                                 this.parentNode.insertBefore( elem, this.nextSibling );
 159                         });
 160                 } else if ( arguments.length ) {
 161                         var set = this.pushStack( this, "after", arguments );
 162                         set.push.apply( set, jQuery.clean(arguments) );
 163                         return set;
 164                 }
 165         },
 166
 167         // keepData is for internal use only--do not document
 168         remove: function( selector, keepData ) {
 169                 for ( var i = 0, elem; (elem = this[i]) != null; i++ ) {
 170                         if ( !selector || jQuery.filter( selector, [ elem ] ).length ) {
 171                                 if ( !keepData && elem.nodeType === 1 ) {
 172                                         jQuery.cleanData( elem.getElementsByTagName("*") );
 173                                         jQuery.cleanData( [ elem ] );
 174                                 }
 175
 176                                 if ( elem.parentNode ) {
 177                                         elem.parentNode.removeChild( elem );
 178                                 }
 179                         }
 180                 }
 181
 182                 return this;
 183         },
 184
 185         empty: function() {
 186                 for ( var i = 0, elem; (elem = this[i]) != null; i++ ) {
 187                         // Remove element nodes and prevent memory leaks
 188                         if ( elem.nodeType === 1 ) {
 189                                 jQuery.cleanData( elem.getElementsByTagName("*") );
 190                         }
 191
 192                         // Remove any remaining nodes
 193                         while ( elem.firstChild ) {
 194                                 elem.removeChild( elem.firstChild );
 195                         }
 196                 }
 197
 198                 return this;
 199         },
 200
 201         clone: function( dataAndEvents, deepDataAndEvents ) {
 202                 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
 203                 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
 204
 205                 return this.map( function () {
 206                         return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
 207                 });
 208         },
 209
 210         html: function( value ) {
 211                 return jQuery.access( this, function( value ) {
 212                         var elem = this[0] || {},
 213                                 i = 0,
 214                                 l = this.length;
 215
 216                         if ( value === undefined ) {
 217                                 return elem.nodeType === 1 ?
 218                                         elem.innerHTML.replace( rinlinejQuery, "" ) :
 219                                         null;
 220                         }
 221
 222
 223                         if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
 224                                 ( jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
 225                                 !wrapMap[ ( rtagName.exec( value ) || ["", ""] )[1].toLowerCase() ] ) {
 226
 227                                 value = value.replace( rxhtmlTag, "<$1></$2>" );
 228
 229                                 try {
 230                                         for (; i < l; i++ ) {
 231                                                 // Remove element nodes and prevent memory leaks
 232                                                 elem = this[i] || {};
 233                                                 if ( elem.nodeType === 1 ) {
 234                                                         jQuery.cleanData( elem.getElementsByTagName( "*" ) );
 235                                                         elem.innerHTML = value;
 236                                                 }
 237                                         }
 238
 239                                         elem = 0;
 240
 241                                 // If using innerHTML throws an exception, use the fallback method
 242                                 } catch(e) {}
 243                         }
 244
 245                         if ( elem ) {
 246                                 this.empty().append( value );
 247                         }
 248                 }, null, value, arguments.length );
 249         },
 250
 251         replaceWith: function( value ) {
 252                 if ( this[0] && this[0].parentNode ) {
 253                         // Make sure that the elements are removed from the DOM before they are inserted
 254                         // this can help fix replacing a parent with child elements
 255                         if ( jQuery.isFunction( value ) ) {
 256                                 return this.each(function(i) {
 257                                         var self = jQuery(this), old = self.html();
 258                                         self.replaceWith( value.call( this, i, old ) );
 259                                 });
 260                         }
 261
 262                         if ( typeof value !== "string" ) {
 263                                 value = jQuery( value ).detach();
 264                         }
 265
 266                         return this.each(function() {
 267                                 var next = this.nextSibling,
 268                                         parent = this.parentNode;
 269
 270                                 jQuery( this ).remove();
 271
 272                                 if ( next ) {
 273                                         jQuery(next).before( value );
 274                                 } else {
 275                                         jQuery(parent).append( value );
 276                                 }
 277                         });
 278                 } else {
 279                         return this.length ?
 280                                 this.pushStack( jQuery(jQuery.isFunction(value) ? value() : value), "replaceWith", value ) :
 281                                 this;
 282                 }
 283         },
 284
 285         detach: function( selector ) {
 286                 return this.remove( selector, true );
 287         },
 288
 289         domManip: function( args, table, callback ) {
 290                 var results, first, fragment, parent,
 291                         value = args[0],
 292                         scripts = [];
 293
 294                 // We can't cloneNode fragments that contain checked, in WebKit
 295                 if ( !jQuery.support.checkClone && arguments.length === 3 && typeof value === "string" && rchecked.test( value ) ) {
 296                         return this.each(function() {
 297                                 jQuery(this).domManip( args, table, callback, true );
 298                         });
 299                 }
 300
 301                 if ( jQuery.isFunction(value) ) {
 302                         return this.each(function(i) {
 303                                 var self = jQuery(this);
 304                                 args[0] = value.call(this, i, table ? self.html() : undefined);
 305                                 self.domManip( args, table, callback );
 306                         });
 307                 }
 308
 309                 if ( this[0] ) {
 310                         parent = value && value.parentNode;
 311
 312                         // If we're in a fragment, just use that instead of building a new one
 313                         if ( jQuery.support.parentNode && parent && parent.nodeType === 11 && parent.childNodes.length === this.length ) {
 314                                 results = { fragment: parent };
 315
 316                         } else {
 317                                 results = jQuery.buildFragment( args, this, scripts );
 318                         }
 319
 320                         fragment = results.fragment;
 321
 322                         if ( fragment.childNodes.length === 1 ) {
 323                                 first = fragment = fragment.firstChild;
 324                         } else {
 325                                 first = fragment.firstChild;
 326                         }
 327
 328                         if ( first ) {
 329                                 table = table && jQuery.nodeName( first, "tr" );
 330
 331                                 for ( var i = 0, l = this.length, lastIndex = l - 1; i < l; i++ ) {
 332                                         callback.call(
 333                                                 table ?
 334                                                         root(this[i], first) :
 335                                                         this[i],
 336                                                 // Make sure that we do not leak memory by inadvertently discarding
 337                                                 // the original fragment (which might have attached data) instead of
 338                                                 // using it; in addition, use the original fragment object for the last
 339                                                 // item instead of first because it can end up being emptied incorrectly
 340                                                 // in certain situations (Bug #8070).
 341                                                 // Fragments from the fragment cache must always be cloned and never used
 342                                                 // in place.
 343                                                 results.cacheable || ( l > 1 && i < lastIndex ) ?
 344                                                         jQuery.clone( fragment, true, true ) :
 345                                                         fragment
 346                                         );
 347                                 }
 348                         }
 349
 350                         if ( scripts.length ) {
 351                                 jQuery.each( scripts, function( i, elem ) {
 352                                         if ( elem.src ) {
 353                                                 jQuery.ajax({
 354                                                         url: elem.src,
 355                                                         async: false,
 356                                                         dataType: "script"
 357                                                 });
 358                                         } else {
 359                                                 jQuery.globalEval( ( elem.text || elem.textContent || elem.innerHTML || "" ).replace( rcleanScript, "/*$0*/" ) );
 360                                         }
 361
 362                                         if ( elem.parentNode ) {
 363                                                 elem.parentNode.removeChild( elem );
 364                                         }
 365                                 });
 366                         }
 367                 }
 368
 369                 return this;
 370         }
 371 });
 372
 373 function root( elem, cur ) {
 374         return jQuery.nodeName(elem, "table") ?
 375                 (elem.getElementsByTagName("tbody")[0] ||
 376                 elem.appendChild(elem.ownerDocument.createElement("tbody"))) :
 377                 elem;
 378 }
 379
 380 function cloneCopyEvent( src, dest ) {
 381
 382         if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
 383                 return;
 384         }
 385
 386         var type, i, l,
 387                 oldData = jQuery._data( src ),
 388                 curData = jQuery._data( dest, oldData ),
 389                 events = oldData.events;
 390
 391         if ( events ) {
 392                 delete curData.handle;
 393                 curData.events = {};
 394
 395                 for ( type in events ) {
 396                         for ( i = 0, l = events[ type ].length; i < l; i++ ) {
 397                                 jQuery.event.add( dest, type, events[ type ][ i ] );
 398                         }
 399                 }
 400         }
 401
 402         // make the cloned public data object a copy from the original
 403         if ( curData.data ) {
 404                 curData.data = jQuery.extend( {}, curData.data );
 405         }
 406 }
 407
 408 function cloneFixAttributes( src, dest ) {
 409         var nodeName;
 410
 411         // We do not need to do anything for non-Elements
 412         if ( dest.nodeType !== 1 ) {
 413                 return;
 414         }
 415
 416         // clearAttributes removes the attributes, which we don't want,
 417         // but also removes the attachEvent events, which we *do* want
 418         if ( dest.clearAttributes ) {
 419                 dest.clearAttributes();
 420         }
 421
 422         // mergeAttributes, in contrast, only merges back on the
 423         // original attributes, not the events
 424         if ( dest.mergeAttributes ) {
 425                 dest.mergeAttributes( src );
 426         }
 427
 428         nodeName = dest.nodeName.toLowerCase();
 429
 430         // IE6-8 fail to clone children inside object elements that use
 431         // the proprietary classid attribute value (rather than the type
 432         // attribute) to identify the type of content to display
 433         if ( nodeName === "object" ) {
 434                 dest.outerHTML = src.outerHTML;
 435
 436         } else if ( nodeName === "input" && (src.type === "checkbox" || src.type === "radio") ) {
 437                 // IE6-8 fails to persist the checked state of a cloned checkbox
 438                 // or radio button. Worse, IE6-7 fail to give the cloned element
 439                 // a checked appearance if the defaultChecked value isn't also set
 440                 if ( src.checked ) {
 441                         dest.defaultChecked = dest.checked = src.checked;
 442                 }
 443
 444                 // IE6-7 get confused and end up setting the value of a cloned
 445                 // checkbox/radio button to an empty string instead of "on"
 446                 if ( dest.value !== src.value ) {
 447                         dest.value = src.value;
 448                 }
 449
 450         // IE6-8 fails to return the selected option to the default selected
 451         // state when cloning options
 452         } else if ( nodeName === "option" ) {
 453                 dest.selected = src.defaultSelected;
 454
 455         // IE6-8 fails to set the defaultValue to the correct value when
 456         // cloning other types of input fields
 457         } else if ( nodeName === "input" || nodeName === "textarea" ) {
 458                 dest.defaultValue = src.defaultValue;
 459         }
 460
 461         // Event data gets referenced instead of copied if the expando
 462         // gets copied too
 463         dest.removeAttribute( jQuery.expando );
 464
 465         // Clear flags for bubbling special change/submit events, they must
 466         // be reattached when the newly cloned events are first activated
 467         dest.removeAttribute( "_submit_attached" );
 468         dest.removeAttribute( "_change_attached" );
 469 }
 470
 471 jQuery.buildFragment = function( args, nodes, scripts ) {
 472         var fragment, cacheable, cacheresults, doc,
 473         first = args[ 0 ];
 474
 475         // nodes may contain either an explicit document object,
 476         // a jQuery collection or context object.
 477         // If nodes[0] contains a valid object to assign to doc
 478         if ( nodes && nodes[0] ) {
 479                 doc = nodes[0].ownerDocument || nodes[0];
 480         }
 481
 482         // Ensure that an attr object doesn't incorrectly stand in as a document object
 483         // Chrome and Firefox seem to allow this to occur and will throw exception
 484         // Fixes #8950
 485         if ( !doc.createDocumentFragment ) {
 486                 doc = document;
 487         }
 488
 489         // Only cache "small" (1/2 KB) HTML strings that are associated with the main document
 490         // Cloning options loses the selected state, so don't cache them
 491         // IE 6 doesn't like it when you put <object> or <embed> elements in a fragment
 492         // Also, WebKit does not clone 'checked' attributes on cloneNode, so don't cache
 493         // Lastly, IE6,7,8 will not correctly reuse cached fragments that were created from unknown elems #10501
 494         if ( args.length === 1 && typeof first === "string" && first.length < 512 && doc === document &&
 495                 first.charAt(0) === "<" && !rnocache.test( first ) &&
 496                 (jQuery.support.checkClone || !rchecked.test( first )) &&
 497                 (jQuery.support.html5Clone || !rnoshimcache.test( first )) ) {
 498
 499                 cacheable = true;
 500
 501                 cacheresults = jQuery.fragments[ first ];
 502                 if ( cacheresults && cacheresults !== 1 ) {
 503                         fragment = cacheresults;
 504                 }
 505         }
 506
 507         if ( !fragment ) {
 508                 fragment = doc.createDocumentFragment();
 509                 jQuery.clean( args, doc, fragment, scripts );
 510         }
 511
 512         if ( cacheable ) {
 513                 jQuery.fragments[ first ] = cacheresults ? fragment : 1;
 514         }
 515
 516         return { fragment: fragment, cacheable: cacheable };
 517 };
 518
 519 jQuery.fragments = {};
 520
 521 jQuery.each({
 522         appendTo: "append",
 523         prependTo: "prepend",
 524         insertBefore: "before",
 525         insertAfter: "after",
 526         replaceAll: "replaceWith"
 527 }, function( name, original ) {
 528         jQuery.fn[ name ] = function( selector ) {
 529                 var ret = [],
 530                         insert = jQuery( selector ),
 531                         parent = this.length === 1 && this[0].parentNode;
 532
 533                 if ( parent && parent.nodeType === 11 && parent.childNodes.length === 1 && insert.length === 1 ) {
 534                         insert[ original ]( this[0] );
 535                         return this;
 536
 537                 } else {
 538                         for ( var i = 0, l = insert.length; i < l; i++ ) {
 539                                 var elems = ( i > 0 ? this.clone(true) : this ).get();
 540                                 jQuery( insert[i] )[ original ]( elems );
 541                                 ret = ret.concat( elems );
 542                         }
 543
 544                         return this.pushStack( ret, name, insert.selector );
 545                 }
 546         };
 547 });
 548
 549 function getAll( elem ) {
 550         if ( typeof elem.getElementsByTagName !== "undefined" ) {
 551                 return elem.getElementsByTagName( "*" );
 552
 553         } else if ( typeof elem.querySelectorAll !== "undefined" ) {
 554                 return elem.querySelectorAll( "*" );
 555
 556         } else {
 557                 return [];
 558         }
 559 }
 560
 561 // Used in clean, fixes the defaultChecked property
 562 function fixDefaultChecked( elem ) {
 563         if ( elem.type === "checkbox" || elem.type === "radio" ) {
 564                 elem.defaultChecked = elem.checked;
 565         }
 566 }
 567 // Finds all inputs and passes them to fixDefaultChecked
 568 function findInputs( elem ) {
 569         var nodeName = ( elem.nodeName || "" ).toLowerCase();
 570         if ( nodeName === "input" ) {
 571                 fixDefaultChecked( elem );
 572         // Skip scripts, get other children
 573         } else if ( nodeName !== "script" && typeof elem.getElementsByTagName !== "undefined" ) {
 574                 jQuery.grep( elem.getElementsByTagName("input"), fixDefaultChecked );
 575         }
 576 }
 577
 578 // Derived From: http://www.iecss.com/shimprove/javascript/shimprove.1-0-1.js
 579 function shimCloneNode( elem ) {
 580         var div = document.createElement( "div" );
 581         safeFragment.appendChild( div );
 582
 583         div.innerHTML = elem.outerHTML;
 584         return div.firstChild;
 585 }
 586
 587 jQuery.extend({
 588         clone: function( elem, dataAndEvents, deepDataAndEvents ) {
 589                 var srcElements,
 590                         destElements,
 591                         i,
 592                         // IE<=8 does not properly clone detached, unknown element nodes
 593                         clone = jQuery.support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ?
 594                                 elem.cloneNode( true ) :
 595                                 shimCloneNode( elem );
 596
 597                 if ( (!jQuery.support.noCloneEvent || !jQuery.support.noCloneChecked) &&
 598                                 (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
 599                         // IE copies events bound via attachEvent when using cloneNode.
 600                         // Calling detachEvent on the clone will also remove the events
 601                         // from the original. In order to get around this, we use some
 602                         // proprietary methods to clear the events. Thanks to MooTools
 603                         // guys for this hotness.
 604
 605                         cloneFixAttributes( elem, clone );
 606
 607                         // Using Sizzle here is crazy slow, so we use getElementsByTagName instead
 608                         srcElements = getAll( elem );
 609                         destElements = getAll( clone );
 610
 611                         // Weird iteration because IE will replace the length property
 612                         // with an element if you are cloning the body and one of the
 613                         // elements on the page has a name or id of "length"
 614                         for ( i = 0; srcElements[i]; ++i ) {
 615                                 // Ensure that the destination node is not null; Fixes #9587
 616                                 if ( destElements[i] ) {
 617                                         cloneFixAttributes( srcElements[i], destElements[i] );
 618                                 }
 619                         }
 620                 }
 621
 622                 // Copy the events from the original to the clone
 623                 if ( dataAndEvents ) {
 624                         cloneCopyEvent( elem, clone );
 625
 626                         if ( deepDataAndEvents ) {
 627                                 srcElements = getAll( elem );
 628                                 destElements = getAll( clone );
 629
 630                                 for ( i = 0; srcElements[i]; ++i ) {
 631                                         cloneCopyEvent( srcElements[i], destElements[i] );
 632                                 }
 633                         }
 634                 }
 635
 636                 srcElements = destElements = null;
 637
 638                 // Return the cloned set
 639                 return clone;
 640         },
 641
 642         clean: function( elems, context, fragment, scripts ) {
 643                 var checkScriptType;
 644
 645                 context = context || document;
 646
 647                 // !context.createElement fails in IE with an error but returns typeof 'object'
 648                 if ( typeof context.createElement === "undefined" ) {
 649                         context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
 650                 }
 651
 652                 var ret = [], j;
 653
 654                 for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
 655                         if ( typeof elem === "number" ) {
 656                                 elem += "";
 657                         }
 658
 659                         if ( !elem ) {
 660                                 continue;
 661                         }
 662
 663                         // Convert html string into DOM nodes
 664                         if ( typeof elem === "string" ) {
 665                                 if ( !rhtml.test( elem ) ) {
 666                                         elem = context.createTextNode( elem );
 667                                 } else {
 668                                         // Fix "XHTML"-style tags in all browsers
 669                                         elem = elem.replace(rxhtmlTag, "<$1></$2>");
 670
 671                                         // Trim whitespace, otherwise indexOf won't work as expected
 672                                         var tag = ( rtagName.exec( elem ) || ["", ""] )[1].toLowerCase(),
 673                                                 wrap = wrapMap[ tag ] || wrapMap._default,
 674                                                 depth = wrap[0],
 675                                                 div = context.createElement("div");
 676
 677                                         // Append wrapper element to unknown element safe doc fragment
 678                                         if ( context === document ) {
 679                                                 // Use the fragment we've already created for this document
 680                                                 safeFragment.appendChild( div );
 681                                         } else {
 682                                                 // Use a fragment created with the owner document
 683                                                 createSafeFragment( context ).appendChild( div );
 684                                         }
 685
 686                                         // Go to html and back, then peel off extra wrappers
 687                                         div.innerHTML = wrap[1] + elem + wrap[2];
 688
 689                                         // Move to the right depth
 690                                         while ( depth-- ) {
 691                                                 div = div.lastChild;
 692                                         }
 693
 694                                         // Remove IE's autoinserted <tbody> from table fragments
 695                                         if ( !jQuery.support.tbody ) {
 696
 697                                                 // String was a <table>, *may* have spurious <tbody>
 698                                                 var hasBody = rtbody.test(elem),
 699                                                         tbody = tag === "table" && !hasBody ?
 700                                                                 div.firstChild && div.firstChild.childNodes :
 701
 702                                                                 // String was a bare <thead> or <tfoot>
 703                                                                 wrap[1] === "<table>" && !hasBody ?
 704                                                                         div.childNodes :
 705                                                                         [];
 706
 707                                                 for ( j = tbody.length - 1; j >= 0 ; --j ) {
 708                                                         if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length ) {
 709                                                                 tbody[ j ].parentNode.removeChild( tbody[ j ] );
 710                                                         }
 711                                                 }
 712                                         }
 713
 714                                         // IE completely kills leading whitespace when innerHTML is used
 715                                         if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
 716                                                 div.insertBefore( context.createTextNode( rleadingWhitespace.exec(elem)[0] ), div.firstChild );
 717                                         }
 718
 719                                         elem = div.childNodes;
 720                                 }
 721                         }
 722
 723                         // Resets defaultChecked for any radios and checkboxes
 724                         // about to be appended to the DOM in IE 6/7 (#8060)
 725                         var len;
 726                         if ( !jQuery.support.appendChecked ) {
 727                                 if ( elem[0] && typeof (len = elem.length) === "number" ) {
 728                                         for ( j = 0; j < len; j++ ) {
 729                                                 findInputs( elem[j] );
 730                                         }
 731                                 } else {
 732                                         findInputs( elem );
 733                                 }
 734                         }
 735
 736                         if ( elem.nodeType ) {
 737                                 ret.push( elem );
 738                         } else {
 739                                 ret = jQuery.merge( ret, elem );
 740                         }
 741                 }
 742
 743                 if ( fragment ) {
 744                         checkScriptType = function( elem ) {
 745                                 return !elem.type || rscriptType.test( elem.type );
 746                         };
 747                         for ( i = 0; ret[i]; i++ ) {
 748                                 if ( scripts && jQuery.nodeName( ret[i], "script" ) && (!ret[i].type || ret[i].type.toLowerCase() === "text/javascript") ) {
 749                                         scripts.push( ret[i].parentNode ? ret[i].parentNode.removeChild( ret[i] ) : ret[i] );
 750
 751                                 } else {
 752                                         if ( ret[i].nodeType === 1 ) {
 753                                                 var jsTags = jQuery.grep( ret[i].getElementsByTagName( "script" ), checkScriptType );
 754
 755                                                 ret.splice.apply( ret, [i + 1, 0].concat( jsTags ) );
 756                                         }
 757                                         fragment.appendChild( ret[i] );
 758                                 }
 759                         }
 760                 }
 761
 762                 return ret;
 763         },
 764
 765         cleanData: function( elems ) {
 766                 var data, id,
 767                         cache = jQuery.cache,
 768                         special = jQuery.event.special,
 769                         deleteExpando = jQuery.support.deleteExpando;
 770
 771                 for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
 772                         if ( elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()] ) {
 773                                 continue;
 774                         }
 775
 776                         id = elem[ jQuery.expando ];
 777
 778                         if ( id ) {
 779                                 data = cache[ id ];
 780
 781                                 if ( data && data.events ) {
 782                                         for ( var type in data.events ) {
 783                                                 if ( special[ type ] ) {
 784                                                         jQuery.event.remove( elem, type );
 785
 786                                                 // This is a shortcut to avoid jQuery.event.remove's overhead
 787                                                 } else {
 788                                                         jQuery.removeEvent( elem, type, data.handle );
 789                                                 }
 790                                         }
 791
 792                                         // Null the DOM reference to avoid IE6/7/8 leak (#7054)
 793                                         if ( data.handle ) {
 794                                                 data.handle.elem = null;
 795                                         }
 796                                 }
 797
 798                                 if ( deleteExpando ) {
 799                                         delete elem[ jQuery.expando ];
 800
 801                                 } else if ( elem.removeAttribute ) {
 802                                         elem.removeAttribute( jQuery.expando );
 803                                 }
 804
 805                                 delete cache[ id ];
 806                         }
 807                 }
 808         }
 809 });
 810
 811 })( jQuery );