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Test Info:

<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
function boom()
{
document.getElementById("select").appendChild(document.createElement("span"));
}
</script>
</head>
<body onload="setTimeout('boom()', 500);" style="column-count: 2; height: 0;"><fieldset><span id="z"><div><div></div></div><select id="select"></select></span></fieldset></body>
</html>