jquery 15天学习笔记 02 table表格 隔行变色的有关问题

jquery 15天学习笔记 02 table表格 隔行变色的问题
练习例子
关于改变table表格 隔行变色的问题
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>15天jquery-02</title>
<script type="text/javascript" src="jquery-1.4.js" ></script>
<script type="text/javascript">
	$(document).ready(function(){
		$(".stripe tr").mouseover(function(){
		$(this).addClass("over");}).mouseout(function(){
		$(this).removeClass("over");})
		$(".stripe tr:even").addClass("alt");//even 是偶数  奇数 是 ood
	});
</script>
<style type="text/css">
	th{ background:#0066ff; color:#fff; line-height:20px; height:30px;}
	td{ padding:6px 11px; border-bottom:1px solid #95bce2;}
	td *{padding:6px 11px;}
	tr.alt td{ background:#ecf6fc;}
	tr.over td{ background:#bcd4ec;}
</style>
</head>

<body>
<table class="stripe" width="50%" cellpadding="0" cellspacing="0">
	<thead>
    	<tr>
        	<th>姓名</th>
            <th>年龄</th>
            <th>QQ</th>
        </tr>
    </thead>
    <tbody>
    	<tr>
        	<td>梁国政</td>
            <td>33</td>
            <td>25882937</td>
        </tr>
        <tr>
        	<td>梁国政</td>
            <td>33</td>
            <td>25882937</td>
        </tr>
        <tr>
        	<td>梁国政</td>
            <td>33</td>
            <td>25882937</td>
        </tr>
        <tr>
        	<td>梁国政</td>
            <td>33</td>
            <td>25882937</td>
        </tr>
        <tr>
        	<td>梁国政</td>
            <td>33</td>
            <td>25882937</td>
        </tr>
    </tbody>
</table>
</body>
</html>