<!DOCTYPE html>
<html>
<head>
<script>

function boom()
{
  var f = document.getElementById("f");
  var w = f.contentWindow;
  var d = w.document;
  var range = d.createRange();
  w.getSelection().removeAllRanges();
  w.getSelection().addRange(range);
  var r = d.documentElement;
  d.removeChild(r);
  w.getSelection().collapse(r,0);
  document.adoptNode(r);
  f.remove();
}

</script>
</head>
<body onload="boom();">
<iframe src="data:text/html,1" id="f"></iframe>
</body>
</html>
