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无间断滚动
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
Code
<style type="text/css">
<!--
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
#demo
{
background: #FFF;
overflow:hidden;
border: 1px dashed #CCC;
height: 100px;
text-align: center;
float: left;
}
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
#demo img
{
border: 3px solid #F2F2F2;
display: block;
}
-->
</style>
向下滚动
<div id="demo">
<div id="demo1">
<a href="#"><img src="http://www.cnrui.cn/other/link/Clear_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.cnrui.cn/other/link/Clear_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.cnrui.cn/other/link/Clear_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.cnrui.cn/other/link/Clear_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.cnrui.cn/other/link/Clear_logo.gif" border="0" /></a>
</div>
<div id="demo2"></div>
</div>
<script>
<!--
var speed=10; //数字越大速度越慢
var tab=document.getElementById("demo");
var tab1=document.getElementById("demo1");
var tab2=document.getElementById("demo2");
tab2.innerHTML=tab1.innerHTML; //克隆demo1为demo2
tab.scrollTop=tab.scrollHeight
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
function Marquee()
{
if(tab1.offsetTop-tab.scrollTop>=0)//当滚动至demo1与demo2交界时
tab.scrollTop+=tab2.offsetHeight //demo跳到最顶端
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
else
{
tab.scrollTop--
}
}
var MyMar=setInterval(Marquee,speed);
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
tab.onmouseover=function()
{clearInterval(MyMar)};//鼠标移上时清除定时器达到滚动停止的目的
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
tab.onmouseout=function()
{MyMar=setInterval(Marquee,speed)};//鼠标移开时重设定时器
-->
</script>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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原文地址:https://www.cnblogs.com/wanglinglong/p/1557444.html
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