<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<div id="div" onclick="alert(2);">
<input type="button" id="btn" value="点击" onclick="alert(1);stopBubble(this);"/>
</div>
</body>
<script src="http://code.jquery.com/jquery.js"></script>
<script>
function stopBubble(e)
{
if (e && e.stopPropagation)
e.stopPropagation();
else
window.event.cancelBubble=true ;
}
</script>
</html>
原文：http://www.cnblogs.com/wanliyuan/p/4200907.html