标签：hot dde style 效果 int off image 跑马灯效果 nts
实现原理：将图片复制一份放到第一份图片后面；第一份图片从显示区左边界跑出多少、第二份图片就从显示区右边界跑入多少；第一份图片完全跑出显示区时，第二份图片则完全跑入显示区。此时瞬间切换至轮播开始时的状态。
```html:run
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<style>
*{
margin:0;
padding:0;
list-style: none;
}
div{
position: relative;
width: 800px;
height: 200px;
border: 5px solid lightgreen;
margin:10px auto;
overflow: hidden;
}
div ul{
position: absolute;
left:0;
top:0;
}
div ul li{
width: 200px;
height: 200px;
float: left;
}
div ul li img{
width:100%;
height: 100%;
}
</style>
</head>
<body>
<div id="div1">
<ul>
<li><img src="http://img.pconline.com.cn/images/upload/upc/tx/photoblog/1509/06/c5/12226915_12226915_1441517838828_mthumb.jpg" /></li>
<li><img src="http://img.pconline.com.cn/images/upload/upc/tx/photoblog/1509/06/c5/12226915_12226915_1441517841171_mthumb.jpg" /></li>
<li><img src="http://img.pconline.com.cn/images/upload/upc/tx/photoblog/1509/06/c5/12226915_12226915_1441517843343_mthumb.jpg" /></li>
<li><img src="http://img.pconline.com.cn/images/upload/upc/tx/photoblog/1509/06/c5/12226915_12226915_1441517845828_mthumb.jpg" /></li>
</ul>
</div>
<script>
var oUl=document.getElementsByTagName(‘ul‘)[0];
var lis=oUl.getElementsByTagName(‘li‘);
oUl.innerHTML+=oUl.innerHTML;
oUl.style.width=lis.length*lis[0].offsetWidth+‘px‘;
var left=null;
var timer=setInterval(function(){
left-=3;
if(left<-oUl.offsetWidth/2){
left=0;
}
oUl.style.left=left+‘px‘
},20)
</script>
</body>
</html>
```
标签：hot dde style 效果 int off image 跑马灯效果 nts
原文地址：https://www.cnblogs.com/gushixianqiancheng/p/10967134.html
