<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>frostbelt_test_forever</title>
<script type="text/javascript" src="js/zepto.min.js"></script>
</head>
<body>
<h2>冒泡测试</h2>
<div class="js-level1">
<div class="js-level2">
<div><div><div><div><div>
<a href="#">点击</a>
</div></div></div></div></div>
</div>
</div>
<input id="begin" />
<input id="end" />
<input id="sub" />
<script>
$(document).delegate("a", "click", function(){
$("#begin").val(new Date().getTime());
}).delegate(".js-level1", "click", function(){
$("#end").val(new Date().getTime());
$("#sub").val($("#end").val() - $("#begin").val());
});
</script>
</body>
</html>
在浏览器上差值为0，在手机（Android os 4.0，1G RAM）上差值为9毫秒！
是手机性能问题？还是webview的冒泡就是慢？