text: <!DOCTYPE html>
  <html>
  <head>
  <script>
  
  function boom()
  {
    var frame = document.getElementById("f");
    var frameDoc = frame.contentDocument;
    frameDoc.getElementById("g").style.background = "yellow";
    frame.style.cssFloat = "right";
    document.documentElement.offsetHeight;
    frameDoc.documentElement.style.color = "green";
  }
  
  </script>
  </head>
  
  <body onload="boom();"><iframe id="f" src="data:text/html,<!DOCTYPE html><frameset><frame id=g></frameset>"></iframe></body>
  </html>
  