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  • jquery实现二级菜单

    HTML

     1 <!DOCTYPE html>
     2 <html>
     3 <head>
     4 <meta charset=" utf-8">
     5 <meta name="author" content="/" />
     6 <title>点击实现下拉菜单的隐藏与显示</title>
     7 <script src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script>
     8 <script src="index.js"></script>
      <link type="stylesheet" type="text/css" href="style.css" /> 9 </head> 10 <body> 11 <div> 12 <ul class="nav"> 13 <li> 14 <a href="#">蚂蚁部落</a> 15 <ul> 16 <li>DIV+CSS专区</li> 17 <li>jQuery专区</li> 18 <li>搜索优化</li> 19 <li>站长交流</li> 20 </ul> 21 </li> 22 <li> 23 <a href="#">站长交流</a> 24 <ul> 25 <li>DIV+CSS专区</li> 26 <li>jQuery专区</li> 27 <li>搜索优化</li> 28 <li>站长交流</li> 29 </ul> 30 </li> 31 <li> 32 <a href="#">站长交流</a> 33 <ul> 34 <li>DIV+CSS专区</li> 35 <li>jQuery专区</li> 36 <li>搜索优化</li> 37 <li>站长交流</li> 38 </ul> 39 </li> 40 <li> 41 <a href="#">站长交流</a> 42 <ul> 43 <li>DIV+CSS专区</li> 44 <li>jQuery专区</li> 45 <li>搜索优化</li> 46 <li>站长交流</li> 47 </ul> 48 </li> 49 </ul> 50 </div> 51 </body> 52 </html>

    style.css

     1 * {
     2   margin: 0px;
     3   padding: 0px;
     4 }
     5 ul {
     6   list-style: none;
     7   margin: 0px auto;
     8   font-size: 14px;
     9 }
    10 .nav li {
    11    150px;
    12   height: 25px;
    13   line-height: 25px;
    14   text-align: center;
    15   float: left;
    16   background-color: #ccc;
    17   position: relative;
    18   //font-size: 14px;
    19 }
    20 .nav li a {
    21   text-decoration: none;
    22   color: #666;
    23 }
    24 .nav li ul {
    25   position: absolute;
    26   top: 25px;
    27   display: none;
    28   font-size: 12px;
    29 }

    index.js

    1 $(function(){
    2   $('.nav li').hover(function(){
    3     $(this).find('ul').css('display', 'block');
    4   }, function(){
    5     $(this).find('ul').css('display', 'none');
    6   });
    7 });
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  • 原文地址:https://www.cnblogs.com/double405/p/5118307.html
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