1.實例：
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>jquey實現表格隔行變色及鼠標滑過變色.html</title>
<link rel="stylesheet" href="css/font.css">
<link rel="stylesheet" href="css/table.css">
<script src="js/jquery-2.2.3.min.js"></script>
<script type="text/javascript">
$(function(){
//添加tr基數背景色樣式
$("#title tr:even").css("background","#999");
//even:設置tr基數背景色
$("#title tr:even").attr("bg","#999");
//odd:設置tr偶數背景色
$("#title tr:odd").attr("bg","#fff");
//mouseover():鼠標滑動事件，設置tr背景色
$("#title tr").mouseover(function(){
$(this).css("background","yellow");
});
//當鼠標移出tr時，設置背景色
$("#title tr").mouseout(function(){
//attr():獲取元素屬性
var bgc = $(this).attr("bg");
$(this).css("background",bgc);
});
});
</script>
</head>
<body>
<table id="title">
<tr>
<td>編號</td>
<td>姓名</td>
<td>年齡</td>
</tr>
<tr>
<td>1001</td>
<td>jok</td>
<td>25</td>
</tr>
<tr>
<td>1002</td>
<td>jok</td>
<td>25</td>
</tr>
<tr>
<td>1003</td>
<td>jok</td>
<td>25</td>
</tr>
<tr>
<td>1004</td>
<td>jok</td>
<td>25</td>
</tr>
</table>
</body>
</html>2.運行效果：
