文字列表无缝向上滚动JavaScript代码

时间：2013-08-09 08:41 来源：互联网作者：源码搜藏浏览：次收藏挑错推荐打印

<!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>

文字列表无缝向上滚动JavaScript代码

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