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超轻量级php框架startmvc

jQuery实现导航栏头部菜单项点击后变换颜色的方法

更新时间:2020-05-25 11:48:01 作者:startmvc
本文实例讲述了jQuery实现导航栏头部菜单项点击后变换颜色的方法。分享给大家供大家参考

本文实例讲述了jQuery实现导航栏头部菜单项点击后变换颜色的方法。分享给大家供大家参考,具体如下:

实现效果如下:

话不多说直接上代码:


<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Title</title>
 <style>
 a{
 text-decoration: none;
 color: black;
 }
 #menu{
 width: 100%;
 height: 20px;
 background: gainsboro;
 }
 ul li{
 list-style: none;
 float: left;
 padding-left: 20px;
 background-color: whitesmoke;
 }
 .active {
 color: white;
 background-color: black;
 }
 .none {
 background-color: whitesmoke;
 }
 </style>
</head>
<body>
<ul id="menu">
 <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >首页</a></li>
 <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >直播</a></li>
 <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >新闻</a></li>
 <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >关于</a></li>
</ul>
<script src="jquery-1.7.2.min.js"></script>
<script>
 $('#menu li a').click(function () {
 var f = this;
 $('#menu li a').each(function () {
 this.className = this == f ? 'active' : 'none'
 });
 });
</script>
</body>
</html>

jQuery 导航栏 头部 菜单项 点击 变换颜色