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jQuery實(shí)現(xiàn)下拉菜單的實(shí)例代碼

更新時(shí)間：2017年06月19日 08:42:01 作者：裴珞嘉

本文通過實(shí)例代碼給大家講解了jQuery實(shí)現(xiàn)下拉菜單效果,非常不錯(cuò)，具有參考借鑒價(jià)值，需要的朋友可以參考下

基本效果是這樣的~~

<!DOCTYPE html>
<html>
<head lang="en">
  <meta charset="UTF-8">
  <title></title>
  <style type="text/css">
    * {
      margin: 0;
      padding: 0;
    }
    ul {
      list-style: none;
    }
    .wrap {
      width: 330px;
      height: 30px;
      margin: 100px auto 0;
      padding-left: 10px;
      background-color: skyblue;
    }
    .wrap li {
      background-color: skyblue;
    }
    .wrap > ul > li {
      float: left;
      margin-right: 10px;
      position: relative;
    }
    .wrap a {
      display: block;
      height: 30px;
      width: 100px;
      text-decoration: none;
      color: #000;
      line-height: 30px;
      text-align: center;
    }
    .wrap li ul {
      position: absolute;
      top: 30px;
      display: none;
    }
  </style>
  <script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.js"></script>
  <script>
    $(function () {
      //獲取所有l(wèi)i，添加移入事件
      $(".wrap>ul>li").mouseenter(function () {
        //設(shè)置內(nèi)部的子元素ul slideDown
        $(this).children("ul").stop().slideDown(600);
      });
      //移出li時(shí)，讓內(nèi)部子元素slideUp
      $(".wrap>ul>li").mouseleave(function () {
        $(this).children("ul").stop().slideUp(600);
      });
      //如果當(dāng)前運(yùn)動(dòng)沒有完畢，又添加了新的動(dòng)畫，這時(shí)新的動(dòng)畫需要等待當(dāng)前動(dòng)畫執(zhí)行完畢才會(huì)開始
      //如果持續(xù)添加。一定會(huì)造成動(dòng)畫的積累，這種情況我們稱為動(dòng)畫隊(duì)列
    });
  </script>
</head>
<body>
<div class="wrap">
  <ul>
    <li>
      <a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >一級(jí)菜單1</a>
      <ul class="ul">
        <li><a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >二級(jí)菜單11</a></li>
        <li><a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >二級(jí)菜單12</a></li>
        <li><a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >二級(jí)菜單13</a></li>
      </ul>
    </li>
    <li>
      <a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >一級(jí)菜單2</a>
      <ul>
        <li><a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >二級(jí)菜單21</a></li>
        <li><a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >二級(jí)菜單22</a></li>
        <li><a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >二級(jí)菜單23</a></li>
      </ul>
    </li>
    <li>
      <a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >一級(jí)菜單3</a>
      <ul>
        <li><a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >二級(jí)菜單31</a></li>
        <li><a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >二級(jí)菜單32</a></li>
        <li><a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >二級(jí)菜單33</a></li>
      </ul>
    </li>
  </ul>
</div>
</body>
</html>

以上所述是小編給大家介紹的jQuery實(shí)現(xiàn)下拉菜單的實(shí)例代碼，希望對(duì)大家有所幫助，如果大家有任何疑問請(qǐng)給我留言，小編會(huì)及時(shí)回復(fù)大家的。在此也非常感謝大家對(duì)腳本之家網(wǎng)站的支持！

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