Simple realization of js seamless scrolling effect

2021-07-16 01:25:43
OfStack

In this paper, we share the specific code of js seamless scrolling effect for your reference. The specific contents are as follows


<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Document</title>
 <style>
  *{
   margin: 0;
   padding: 0;
  }
  ul{
   list-style: none;
  }
  img{
   vertical-align: top; /* Eliminate 3px The distance of */
  }
  .box{
   width: 600px;
   height: 200px;
   margin: 100px auto;
   overflow: hidden;
   position: relative;
   border: 1px solid red;
  }
  ul{
   width: 400%;
   position: absolute;
   left: 0;
   top: 0;
  }
  ul li{
   float: left;
  }
 </style>
 <script> 
 window.onload = function(){
  function $(id){ return document.getElementById(id); } 
  var timer = null;
  var num = 0;
  timer = setInterval(autoPlay,20);
  function autoPlay(){
   num--;
   if(num<=-1200){ 
     num = 0;
   }
   $("picBox").style.left = num + "px";   
  }
  $("picBox").onmouseover = function(){
   clearInterval(timer);
  }
  $("picBox").onmouseout = function(){
   timer = setInterval(autoPlay,20);
  }
 }
 </script>
</head>
<body>
 <div class="box" id="scroll">
  <ul id="picBox">
   <li><img src="images/01.jpg" alt=""></li>
   <li><img src="images/02.jpg" alt=""></li>
   <li><img src="images/03.jpg" alt=""></li>
   <li><img src="images/04.jpg" alt=""></li>
   <li><img src="images/01.jpg" alt=""></li>
   <li><img src="images/02.jpg" alt=""></li>
  </ul>
 </div>
</body>
</html>