776328.html
<!DOCTYPE html>
<script>
function boom()
{
var div = document.createElementNS('http://www.w3.org/1999/xhtml', 'div');
Components.lookupMethod(div.childNodes, "xx");
}
</script>
<body onload="boom();"></body>
<!DOCTYPE html>
<script>
function boom()
{
var div = document.createElementNS('http://www.w3.org/1999/xhtml', 'div');
Components.lookupMethod(div.childNodes, "xx");
}
</script>
<body onload="boom();"></body>