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简单的轮播效果

 1 <!DOCTYPE html> 2     <html> 3     <head> 4     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 5     <title>无标题文档</title> 6     <style type="text/css"> 7     #tab { overflow:hidden; width:400px; height:250px; position:relative; float:left;} 8     #tab>img:not(:first-child){ display:none; } 9  10     </style>11     <script>12         window.onload = function(){13      14             var images = document.getElementsByTagName(img);15             var pos = 0;16             var len = images.length;17          18             setInterval(function(){19          20                 images[pos].style.display = none;21                 pos = ++pos == len ? 0 : pos;22                 images[pos].style.display = inline;23          24             },1000);25          26         };27     </script>28  29     </head>30  31     <body>32     <div id="tab">33         <img src="img/01.jpg" width="400" height="250"/>34         <img src="img/02.jpg" width="400" height="250"/>35         <img src="img/03.jpg" width="400" height="250"/>36     </div>37     </body>38     </html>

 

简单的轮播效果