723465.html - mozsearch

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<html>

<head>

<script>

function boom()

  var f = document.getElementById("f");

  var fd = f.contentDocument;

  fd.querySelectorAll("*");

  fd.documentElement.innerHTML = "3";

  document.body.removeChild(f);

</script>

</head>

<body onload="boom();"><iframe id="f" src="data:text/html,<html><head onfocus=2>"></iframe></body>

</html>