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Test Info:

<!doctype html>
<body> <span></span> <script>
function boom() {
var range = document.createRange();
range.setEnd(document.body.childNodes[2], 0);
window.addEventListener("DOMNodeInserted", f, true);
function f() {
window.removeEventListener("DOMNodeInserted", f, true);
range.deleteContents();
}
range.deleteContents();
}
window.addEventListener("load", boom);
</script>