4 <script type=
"text/javascript">
8 var a
= document
.documentElement
;
11 document
.removeChild(a
);
12 b
.contentEditable
= "true";
13 document
.appendChild(a
);
16 document
.removeEventListener("DOMAttrModified", t
);
17 document
.removeChild(a
);
20 document
.addEventListener("DOMAttrModified", t
);
21 document
.execCommand("insertunorderedlist", false, "<h1>");
22 document
.removeEventListener("DOMAttrModified", t
);
28 <body onload=
"boom()"></body>