本文实例为大家分享了js无缝滚动效果的具体代码，供大家参考，具体内容如下
<!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; /*消除3px的距离*/
}
.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>
