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添加CLASS jquery

时间:2015-04-23 12:44:13      阅读:121      评论:0      收藏:0      [点我收藏+]

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

 <head>

  <title> New Document </title>

  <meta name="Generator" content="EditPlus">

  <meta name="Author" content="">

  <meta name="Keywords" content="">

  <meta name="Description" content="">

  <script type="text/javascript" src="http://luxury.bjhoutai.com/js/jquery-1.8.2.min.js"></script>

 </head>

<style>

*{padding:0px; margin:0px; border:0px; }

.red{background:red}

.blue{background:blue}

.yellow{background:yellow}

li:hover{background:red;}

</style>

 <body>

  <ul>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

<li>adsfasdfasdfasdfasdf</li>

  </ul>

<script>  

$(‘ul li‘).each(function(i) {       

if(i%2==0){

$(this).addClass(‘blue‘);

}else{

$(this).addClass(‘yellow‘);

}); 

</script> 

 </body>

</html>

添加CLASS jquery

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原文地址:http://www.cnblogs.com/mrt-yyy/p/4449905.html

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