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Test Info:

<!DOCTYPE html>
<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta charset="UTF-8">
<script>
function boom()
{
var range = document.createRange();
range.setStart(document.documentElement, 0);
var frame = document.getElementById("f");
var frameSel = frame.contentWindow.getSelection();
document.body.removeChild(frame);
frameSel.addRange(range);
frameSel.modify("move", "right", "character");
}
</script>
</head>
<body onload="boom();">
<iframe id="f" src="data:text/html,<!doctype html>1"></iframe>
</body></html>