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Native JS implements marquee effect

高洛峰
高洛峰Original
2017-02-21 14:51:422105browse

This article mainly shares the sample code for realizing the marquee effect using native JS. It has a very good reference value, let’s take a look with the editor below

The effect is as follows: (You can copy the code to view the dynamic effect, and you can choose to add the pictures in the case)

Native JS implements marquee effect

The code is as follows: 

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title></title>
 <style>
  *{
   margin:0;
   padding:0;
   list-style: none;
  }
  p{
   position: relative;
   width: 800px;
   height: 200px;
   border: 5px solid lightgreen;
   margin:10px auto;
   overflow: hidden;
  }
  p ul{
   position: absolute;
   left:0;
   top:0;
  }
  p ul li{
   width: 200px;
   height: 200px;
   float: left;
  }
  p ul li img{
   width:100%;
   height: 100%;
  }
 </style>
</head>
<body>
<p id="p1">
 <ul>
  <li><img src="http://www.qdfuns.com/misc.php?mod=attach&genre=editor&aid=b4251f00ef925cba01ed49ca117e14a7" alt=""/></li>
  <li><img src="http://www.qdfuns.com/misc.php?mod=attach&genre=editor&aid=d38403825519770211acbf49459ae7d7" alt=""/></li>
  <li><img src="http://www.qdfuns.com/misc.php?mod=attach&genre=editor&aid=53c83d39c62af65db998f4945bacaec2" alt=""/></li>
  <li><img src="http://www.qdfuns.com/misc.php?mod=attach&genre=editor&aid=5509f1a642644b40c8aa98c9e2c77a83" alt=""/></li>
 </ul>
</p>
<script>
 var oUl=document.getElementsByTagName(&#39;ul&#39;)[0];
 var lis=oUl.getElementsByTagName(&#39;li&#39;);
 oUl.innerHTML+=oUl.innerHTML;
 oUl.style.width=lis.length*lis[0].offsetWidth+&#39;px&#39;;
 var left=null;
 var timer=setInterval(function(){
  left-=3;
  if(left<-oUl.offsetWidth/2){
   left=0;
  }
  oUl.style.left=left+&#39;px&#39;
 },10)
</script>
</body>
</html>

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