LayoutTests/compositing/document-background-color.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <style>
   html {
     background-color: red;
   }
 </style>
 <script>
 window.addEventListener("load", function () {
   document.querySelector("html").style.backgroundColor = "green";
 }, false);
 </script>
 </head>
 <body>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<style>
	html {
	background-color: red;
	}
	</style>
	<script>
	window.addEventListener("load", function () {
	document.querySelector("html").style.backgroundColor = "green";
	}, false);
	</script>
	</head>
	<body>
	</body>
	</html>