鼠标悬停高亮当前图片

<!DOCTYPE html>
<html>
<head lang="en">
  <meta charset="UTF-8">
  <title></title>
  <style>
    *{margin: 0;padding: 0;}
    body {background-color: black;}
  .box {
    margin: 100px auto;width: 630px;height: 394px;
    border: 2px solid white; background-color: black;
    padding: 10px;
  }
  ul {list-style: none;}
  ul li {
    float: left; padding: 5px;
  }
  </style>
</head>
<body>
<div class="box">
  <ul>
    <li><a href="#"><img src="images/01.jpg"></a></li>
    <li><a href="#"><img src="images/02.jpg"></a></li>
    <li><a href="#"><img src="images/03.jpg"></a></li>
    <li><a href="#"><img src="images/04.jpg"></a></li>
    <li><a href="#"><img src="images/05.jpg"></a></li>
    <li><a href="#"><img src="images/06.jpg"></a></li>
  </ul>
</div>

<script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.js"></script>
<script>
  $(function(){
    $("li").mouseenter(function(){
      $(this).css("opacity","1").siblings().css("opacity","0.4");
    });
    $("li").mouseleave(function(){
      $("li").css("opacity","1");
    });
  });
</script>
</body>
</html>

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转载自www.cnblogs.com/sandraryan/p/11072392.html