js常用特效——选项卡效果

 <!DOCTYPE html>

 <html>

     <head>

         <meta charset="UTF-8">

         <title></title>

         <style type="text/css">

             *{

                 margin: 0px;

                 padding: 0px;

                 list-style: none;

             }

             ol>li{

                 width: 50px;

                 height: 30px;

                 text-align: center;

                 line-height: 30px;

                 color: red;

                 background: #e0e0e0;

                 display: inline-block;

                 margin-right: 3px;

                 font-weight: bold;

                 cursor: pointer;

             }

             ul{

                 margin: 100px 0px 0px 100px;

                 position: relative;

             }

             ul>li{

                 width: 300px;

                 height: 200px;

                 font-size: 40px;

                 color: #fff;

                 position: absolute;

                 top: 0px;

                 left: 0px;

                 display: none;

             }

             ul>li:nth-of-type(1){

                 background: #ff6700;

             }

             ul>li:nth-of-type(2){

                 background: green;

             }

             ul>li:nth-of-type(3){

                 background: blue;

             }

             .show{

                 display: block;

             }

             .bg{

                 background: #FF6700;

                 color: white;

             }

         </style>

     </head>

     <body>

         <ol id="ol">

             <li>1</li>

             <li>2</li>

             <li>3</li>

         </ol>

         <ul id="ul">

             <li>A</li>

             <li>B</li>

             <li>C</li>

         </ul>

         <script type="text/javascript">

             var li = document.querySelectorAll("ol li");

             var lis = document.querySelectorAll("ul li");

             lis[0].className="show";

             li[0].className = "bg";

             for(var i=0;i<li.length;i++){

                 li[i].index = i;

                 li[i].onmouseover = function(){

                     clear();

                     this.className = "bg";

                     lis[this.index].className = "show";

                 }

             }

             function clear(){

                 for(var j=0;j<lis.length;j++){

                     lis[j].className="";

                     li[j].className="";

                 }

             }

         </script>

     </body>

 </html>
巴特西

js常用特效——选项卡效果

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