jQuery 导航点击变换样式

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<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
*{ margin:0; padding:0; border:0px; list-style:none; margin:0 auto;}
*a { text-decoration:none; color:#FFF;}
ul { 800px; height:30px; background-color:#C33;}
ul li { float:left; 160px; height:30px; line-height:30px; text-align:center; color:#FFFFFF;}
ul li a { color:#FFFFFF; display:block; 160px; height:30px; text-decoration:none;}
.first { background-color:#0000FF;}
ul li a:hover {color:#FFF; display:block; 160px; height:30px; text-decoration: underline; background-color:#03F;}
</style>
<script type="text/javascript" src="http://www.moorecat.com/static/javascript/jquery.js"></script>
<script language="javascript" type="text/javascript">
$(document).ready(function (){
         $("li").each(function(index){
                                      
                $(this).click(function(){        
                $("li").removeClass("first");
                $("li").eq(index).addClass("first");
                });
                });
        });
</script>
</head>
<body>
<ul>
<li class="first"><a href="#">首页</a></li>
<li><a href="#">列表</a></li>
<li><a href="#">内容</a></li>
<li><a href="#">联系</a></li>
<li><a href="#">关于</a></li>
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原文地址:https://www.cnblogs.com/huanlei/p/2619895.html