chromium/src/third_party/blink/web_tests/fast/frames/resources/layout-after-destruction-subframe.html - manifest_repos/chromium_src - Git at Google

 <script>
 function unloadHandler()
 {
     var element = parent.document.getElementById("element");
     element.setAttribute("style", "height: 100px");
     element.offsetTop;
 }
 </script>
 <body onunload="unloadHandler()">
 This is frame D.
	<script>
	function unloadHandler()
	{
	var element = parent.document.getElementById("element");
	element.setAttribute("style", "height: 100px");
	element.offsetTop;
	}
	</script>
	<body onunload="unloadHandler()">
	This is frame D.