防止事件冒泡
<!DOCTYPE html>
<html>
<head>
<script src="../js/jquery-1.8.3.min.js" type="text/javascript"></script>
<title></title>
<script type="text/jscript">
$(document).ready(function () {
$('div').click(function (event) {
var $tagret = $(event.target);
if ($tagret.is('div')) {
alert("div");
}
if ($tagret.is('span')) {
alert("span");
}
if ($tagret.is('p')) {
alert("p");
}
});
});
</script>
</head>
<body>
<div>div element
<p>paragragh element<br />
<span>span element</span>
</p>
</div>
</body>
</html>
