<!DOCTYPE html>
<html>
<head>
<title>test</title>
<script src="jquery-3.1.1.min.js">
</script>
<script>
$(document).ready(function(){
$("tr:even").css("background-color","yellow");
});
</script>
</head>
<body>
<h1>InJavaWeTrust</h1>
<table border="1">
<tr>
<th>网站名</th>
<th>网址</th>
</tr>
<tr>
<td>Google</td>
<td>http://www.google.com</td>
</tr>
<tr>
<td>Baidu</td>
<td>http://www.baidu.com</td>
</tr>
<tr>
<td>菜鸟教程</td>
<td>http://www.runoob.com</td>
</tr>
<tr>
<td>淘宝</td>
<td>http://www.taobao.com</td>
</tr>
<tr>
<td>Facebook</td>
<td>http://www.facebook.com</td>
</tr>
</table>
</body>
</html>
jQuery 选择器 选取偶数位置的 <tr> 元素
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转载自injavawetrust.iteye.com/blog/2323454
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