无缝滚动

来源：互联网发布：map 转换json数组编辑：程序博客网时间：2024/04/29 17:45

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
*{
list-style: none;
margin: 0;
padding: 0;
}
#div1{

width: 500px;
height: 100px;
background: #f0f;
margin: 100px auto;
position: relative;
overflow: hidden;
}

#div1 ul{
position: absolute;
height: 100px;
left: 0;
top: 0;
}
#div1 ul li{
float: left;
width: 100px;
height: 100px;

}
#div1 ul li img{
width: 100px;
height: 100px;
}
</style>
<script type="text/javascript">

window.onload=function () {
var oDiv = document.getElementById('div1');
var oUl =oDiv.getElementsByTagName('ul')[0];
var aLi =oUl.getElementsByTagName('li');

var speed = -2;
var leftMove = document.getElementById('left')
var rightMove = document.getElementById('right')

oUl.innerHTML=oUl.innerHTML+oUl.innerHTML
oUl.style.width = aLi[0].offsetWidth*aLi.length+'px';

function move(){
if (oUl.offsetLeft<-oUl.offsetWidth/2) {
oUl.style.left = '0';
}
if (oUl.offsetLeft>0) {
oUl.style.left = -oUl.offsetWidth/2+'px';
}
oUl.style.left= oUl.offsetLeft+speed+'px';
}

var timer = setInterval(move,30);
oDiv.onmouseover = function(){
clearInterval(timer);
}
oDiv.onmouseout = function(){
timer = setInterval(move,30);
}
leftMove.onclick = function(){
speed = -3;
}
rightMove.onclick = function(){
speed = 3;
}
}
</script>
</head>

<body>
<a href="javascript:;" id="left">向左</a>
<a href="javascript:;" id="right">向右</a>
<div id="div1">
<ul>
<li><img src="game-bg-3-1.png" alt=""></li>
<li><img src="game-bg-3-1.png" alt=""></li>
<li><img src="game-bg-3-1.png" alt=""></li>
<li><img src="game-bg-3-1.png" alt=""></li>
<li><img src="game-bg-3-1.png" alt=""></li>
</ul>
</div>
</body>
</html>

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