效果如下：
代碼如下：
<!DOCTYPE html><html lang="en"> <head> <meta charset="utf-8"> <style type = "text/css"> ul, li { padding: 0; margin: 0; } li { list-style: none; } .box { width: 800px; height: 450px; margin: 50px auto; overflow: hidden; position: relative; } .box span { width: 40px; height: 60px; display: block; position: absolute; top: 225px; margin-top: -20px; cursor: pointer; z-index: 1; } .box #left { background: url('http://cdn.attach.qdfuns.com/notes/pics/201701/14/042311cbd7gbjd7sggkd2b.png') no-repeat; left: 0; } .box #right { background: url('http://cdn.attach.qdfuns.com/notes/pics/201701/14/042241w8z4hx4m4pjhyjzs.png') no-repeat; right: 0; } #ad { width: 4000px; height: 450px; position: absolute; } #ad li { float: left; } </style> <script type = "text/javascript"> window.onload = function(){ var ad = document.getElementById("ad"); var timer = null;//管理定時器 var leader = 0; //1秒之后再開啟定時器 timer = setTimeout(function(){ timer = setInterval(autoAd,30); },1000); //開啟定時器 function autoAd(){ leader -=5; leader<=-3200?leader = 0:leader; ad.style.left = leader +"px"; } //鼠標劃入 關閉定時器 ad.onmouseover = function() { clearInterval(timer); } //鼠標離開 開啟定時器 ad.onmouseout = function(){ timer = setInterval(autoAd,20); } } </script> </head> <body> <div class="box"> <ul id="ad"> <li><img src="http://cdn.attach.qdfuns.com/notes/pics/201701/14/042153lscsitwp7sszb6zs.jpg" alt=""></li> <li><img src="http://cdn.attach.qdfuns.com/notes/pics/201701/14/042152pfbkbfe8vbtvulfu.jpg" alt=""></li> <li><img src="http://cdn.attach.qdfuns.com/notes/pics/201701/14/042153u3jgn0ds43ndd3dz.jpg" alt=""></li> <li><img src="http://cdn.attach.qdfuns.com/notes/pics/201701/14/042152juuohne22z60hbsb.jpg" alt=""></li> <li><img src="http://cdn.attach.qdfuns.com/notes/pics/201701/14/042153lscsitwp7sszb6zs.jpg" alt=""></li> </ul> <span id="left"></span> <span id="right"></span> </div> </body></html>以上就是本文的全部內容，希望本文的內容對大家的學習或者工作能帶來一定的幫助，同時也希望多多支持武林網！
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