jQuery实现鼠标经过时高亮,同时其他同级元素变暗的效果

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
<html>
  <head>
    <meta http-equiv="content-type" content="text/html;charset=utf-8"/>
    <meta name="keywords" content="关键词1,关键词2,关键词3等等"/>
    <title>鼠标经过时高亮,其他的暗</title>
    <style type="text/css">
      *{margin:0; padding:0;}
      ul,li{list-style:none;}
      ul{900px; height:200px; margin:100px auto;}
      li{200px; height:200px; display:inline-block; border:1px solid #d8d8d8; position:relative;}
      .addblack{200px; height:200px; display:none; background:#000;filter: alpha(opacity=10);-moz-opacity: 0.1; opacity: 0.1; position:absolute; left:0; top:0;}
    </style>
    <script type="text/javascript" src="jquery-1.7.2.min.js"></script>
    <script type="text/javascript">
      $(document).ready(function(){
         $(".index_Img").hover(function(){
           $(this).siblings().find(".addblack").show();
           },function(){
             $(this).siblings().find(".addblack").hide();
             $(this).find(".addblack").hide();
         })
      })
    </script>
  </head>
  <body>
    <ul>
      <li class="index_Img">
        苹果
        <div class="addblack" style="left: 0px; top: 0px; 200px; height: 200px; display: none;"></div>
      </li>
      <li class="index_Img">
        香蕉
        <div class="addblack" style="left: 0px; top: 0px; 200px; height: 200px; display: none;"></div>
      </li>
      <li class="index_Img">
        葡萄
        <div class="addblack" style="left: 0px; top: 0px; 200px; height: 200px; display: none;"></div>
      </li>
      <li class="index_Img">
        凤梨
        <div class="addblack" style="left: 0px; top: 0px; 200px; height: 200px; display: none;"></div>
      </li>
    </ul>
  </body>
</html>
原文地址:https://www.cnblogs.com/sjqq/p/6361489.html