chromium/src/third_party/blink/web_tests/fast/block/basic/quirk-percent-height-grandchild.html - manifest_repos/chromium_src - Git at Google

 <html>
     <head>
         <script>
             function test()
             {
                 document.getElementById("target").style.height = "100px";
             }
         </script>
     </head>
     <body>
         <div style="height: 50px; background: red; width: 100px;" id="target">
             <div>
                 <div style="height:100%; background: green;"></div>
             </div>
         </div>
     </body>
     <script>
         document.body.offsetTop;
         test();
     </script>
 </html>
	<html>
	<head>
	<script>
	function test()
	{
	document.getElementById("target").style.height = "100px";
	}
	</script>
	</head>
	<body>
	<div style="height: 50px; background: red; width: 100px;" id="target">
	<div>
	<div style="height:100%; background: green;"></div>
	</div>
	</div>
	</body>
	<script>
	document.body.offsetTop;
	test();
	</script>
	</html>