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Test Info:

<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
function boom()
{
var newDiv = document.createElement("div");
var ispan = document.getElementById("ispan");
ispan.parentNode.insertBefore(newDiv, ispan);
}
</script>
</head>
<body onload="boom();">
<div style="column-count: 1; position: fixed;"><div style="overflow: clip; display: table-header-group; white-space: pre; position: absolute;">
<span id="ispan">
</span></div></div>
</body>
</html>