<!DOCTYPE html><html><script>

function boom()
{
  while (document.documentElement.firstChild)
    document.documentElement.removeChild(document.documentElement.firstChild);
  document.documentElement.contentEditable = "true";
  document.execCommand("strikethrough", false, null);
  try { document.execCommand("justifyfull", false, null); } catch(e) { }
  document.documentElement.offsetHeight;
  try { document.execCommand("delete", false, null); } catch(e) { }
  document.execCommand("inserthtml", false, "<span> <\/span>");
}
window.addEventListener("load", boom, false);

</script></html>