chromium/src/third_party/blink/web_tests/fast/loader/resources/frame-creation-removal-iframe.html - manifest_repos/chromium_src - Git at Google

 <html>
 <head>
 <script>
 function loaded()
 {
     var theFrame = parent.document.getElementById('lbIframe');
     if (theFrame)
         parent.document.body.removeChild(theFrame);

     var objIframe = parent.document.createElement("iframe");
     objIframe.setAttribute('id','lbIframe');
     parent.document.body.appendChild(objIframe);
 }

 </script>
 </head>
 <body onload="loaded();">
 </body>
 </html>
	<html>
	<head>
	<script>
	function loaded()
	{
	var theFrame = parent.document.getElementById('lbIframe');
	if (theFrame)
	parent.document.body.removeChild(theFrame);

	var objIframe = parent.document.createElement("iframe");
	objIframe.setAttribute('id','lbIframe');
	parent.document.body.appendChild(objIframe);
	}

	</script>
	</head>
	<body onload="loaded();">
	</body>
	</html>