标签：
<!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=utf-8" />
<title>循环滚动信息栏</title>
<style type="text/css">
body{
margin:0px;
padding:0px;
}
#express li{
height:25px;
border-bottom:dashed 1px #999;
line-height:20px;
font-size:12px;
list-style:none;
width:300px;
}
#dome{
height:305px;
overflow:hidden;
margin-top:0px;
}
#book_class{
width:400px;
height:310px;
border:3px solid #999;
margin-left:auto;
margin-right:auto;
margin-top:70px;
border-radius:5px 5px 5px 5px;
box-shadow:0px 0px 10px 10px #CECED1;
}
#express{
margin-left:-30px;
margin-right:10px;
margin-bottom:0px;
margin-top:0px;
}
#book_class div div ul li a{
text-decoration:none;
color:#333333;
}
#book_class div div ul li a:hover{
text-decoration:underline;
}
</style>
</head>
<body>
<div id="book_class">
<div id="dome">
<div id="dome1">
<ul id="express">
<li><a href="#">·2010考研英语大纲到货75折...</a>|<a>123</a>|<a>456</a></li>
<li><a href="#">·权威定本四大名著（人民文...</a>|<a>123</a>|<a>456</a></li>
<li><a href="#">·口述历史权威唐德刚先生国...</a>|<a>123</a>|<a>456</a></li>
<li><a href="#">·袁伟民与体坛风云：实话实...</a>|<a>123</a>|<a>456</a></li>
<li><a href="#">·我们台湾这些年：轰动两岸...</a>|<a>123</a>|<a>456</a></li>
<li><a href="#">·畅销教辅推荐：精品套书50...</a>|<a>123</a>|<a>456</a></li>
<li><a href="#">·2010版法律硕士联考大纲75...</a>|<a>123</a>|<a>456</a></li>
<li><a href="#">·计算机新书畅销书75折抢购</a>|<a>123</a>|<a>456</a></li>
<li><a href="#">·2009年孩子最喜欢的书</a>|<a>123</a>|<a>456</a></li>
<li><a href="#">·弗洛伊德作品精选集59折</a>|<a>123</a>|<a>456</a></li>
</ul>
<!---------多复制<li>标签就行了------这里就不多写了---------->
</div>
<div id="dome2"></div>
</div>
</div>
<!----------防止html没有加载完，把javascript代码写在下面---------->
<script type="text/javascript">
var dome = document.getElementById("dome");
var dome1 = document.getElementById("dome1");
var dome2 = document.getElementById("dome2");
var speed = 50;//设置向上轮动的速度
dome2.innerHTML = dome1.innerHTML;//复制节点
var tempHeight = 0;
function moveTop() {
if (dome1.offsetHeight - tempHeight <= 0) {
dome.scrollTop = 0;
tempHeight = 0;
} else {
dome.scrollTop++;
tempHeight++;
console.log(dome.scrollTop);
}
}
//var myFunction = setInterval("moveTop()", speed);
//dome.onmouseover = function () {
// clearInterval(myFunction);
//}
//dome.onmouseout = function () {
// myFunction = setInterval(moveTop, speed);
//}
</script>
</body>
</html>
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原文地址：http://www.cnblogs.com/zengpeng/p/5209263.html
