<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script>
function boom()
{

  var v = document.getElementById("v");
  v.src = "data:text/plain,_";
  document.documentElement.appendChild(v);

}
</script>
</head>
<body onload="boom();"><video id="v" src="data:video/ogg;codecs=&quot;theora,vorbis&quot;,1"></video></body>
</html>
