desigens/test.html

## test.html
<!DOCTYPE html>
<html>
<head>
	<title></title>
	<style type="text/css">
		body.a {
			background: url(http://ololo.com/i.png) no-repeat;
		}
	</style>
</head>
<body onload="end()" id="body">
	<div id="a">null1</div>
	<script type="text/javascript">
		Date.now = Date.now || function() { return +new Date; };
		var t = Date.now();
		var out = document.getElementById('a')
		// console.time(1);
		function end () {
			// console.timeEnd(1);
			out.innerHTML = (Date.now() - t);
		}
		setTimeout(function () {
			document.getElementById('body').className = 'a';
		}, 0);
	</script>
</body>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<title></title>
	<style type="text/css">
	body.a {
	background: url(http://ololo.com/i.png) no-repeat;
	}
	</style>
	</head>
	<body onload="end()" id="body">
	<div id="a">null1</div>
	<script type="text/javascript">
	Date.now = Date.now \|\| function() { return +new Date; };
	var t = Date.now();
	var out = document.getElementById('a')
	// console.time(1);
	function end () {
	// console.timeEnd(1);
	out.innerHTML = (Date.now() - t);
	}
	setTimeout(function () {
	document.getElementById('body').className = 'a';
	}, 0);
	</script>
	</body>
	</html>