Implementation of Automatic Picture Carousel Code by js

2021-08-05 08:36:33
OfStack

In this paper, we share the specific code of carousel, which is automatically carousel and displayed in the center for your reference. The specific contents are as follows


<!DOCTYPE html>
<html>
<head lang="en">
 <meta charset="UTF-8">
 <title></title>
 <style>
  #div1{
   width: 192px;
   height: 120px;
   border: 1px solid gray;
   margin: 0 auto;
   position: relative;
   overflow: hidden;
  }
  #div1 img{
   position: absolute;
  }
 </style>
</head>
<body>
<div id="div1">
 <img src="images/1.jpg" alt="" width="192"/>
 <img src="images/2.jpg" alt="" width="192"/>
 <img src="images/3.jpg" alt="" width="192"/>
 <img src="images/4.jpg" alt="" width="192"/>
</div>
<div id="div2">

</div>
<script>
 // Get page elements 
 var div1 = document.getElementById('div1');
 var div2 = document.getElementById('div2');
 var imgs = div1.getElementsByTagName('img');
 // Initialize the location of the page picture 
 window.onload=function(){
  for(var i=0; i<imgs.length; i++){
   imgs[i].style.left = i*192 +'px'
  }
 };
 // Function of carousel movement 
 function imgMove(){
  var b1 = false;
  for(var i = 0; i < imgs.length; i++) {
   imgs[i].style.left = imgs[i].offsetLeft-1 + 'px';
   if(imgs[i].offsetLeft==0){
    b1=true;
    if(i==0)
    imgs[imgs.length-1].style='576px';
    else
    imgs[i-1].style.left='576px'
   }
  }
  if(!b1)
   setTimeout(imgMove,20);
  else
   setTimeout(imgMove,2000);
 }
 setTimeout(imgMove,3000);
</script>
</body>
</html>

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