JavaScript控制Li文字列表无缝向上滚动，鼠标经过时暂停，常用的滚动效果，滚动速度、滚动区域的在小请分别在JS代码及CSS里调整。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>文字列表无缝向上滚动JavaScript代码</title>
<style>
*{margin:0px;padding:0px;border:0px;}
body{font-size:12px}
#demo1{
height:auto;
text-align:left;
}
#demo2{
height:auto;
text-align:left;
}
#demo1 li{
list-style-type:none;
height:22px;
background:url() no-repeat left center;
text-align:left;
text-indent:15px;
}
#demo2 li{
list-style-type:none;
height:22px;
background:url() no-repeat left center;
text-align:left;
text-indent:15px;
}
</style>
</head>
<body>
<div id="demo" style="overflow:hidden;height:80px;width:280px;">
<ul id="demo1">
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</ul>
<div id="demo2"></div>
</div>
<script>
var speed=40
var demo=document.getElementById("demo");
var demo2=document.getElementById("demo2");
var demo1=document.getElementById("demo1");
demo2.innerHTML=demo1.innerHTML
function Marquee(){
if(demo2.offsetTop-demo.scrollTop<=0)
demo.scrollTop-=demo1.offsetHeight
else{
demo.scrollTop++
}
}
var MyMar=setInterval(Marquee,speed)
demo.onmouseover=function() {clearInterval(MyMar)}
demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}
</script>
</body>
</html>
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