609560-1.xhtml
<html xmlns="http://www.w3.org/1999/xhtml" class="reftest-wait">
<head>
<script>
<![CDATA[
function x()
{
var p = document.createElementNS("http://www.w3.org/1999/xhtml", "iframe");
var frame = document.createElementNS("http://www.w3.org/1999/xhtml", "iframe");
frame.onload = y;
frame.src = "data:text/html,1";
document.body.appendChild(frame);
var frameRoot = frame.contentDocument.documentElement;
function y()
{
var frameDoc = frameRoot.ownerDocument;
frameRoot.appendChild(p);
var attr = frameDoc.createAttributeNS("http://www.w3.org/1999/xhtml", "u");
attr.w = {};
p.setAttributeNode(attr);
document.documentElement.removeAttribute("class");
}
}
]]>
</script>
</head>
<body onload="setTimeout(x, 0);"></body>
</html>
