<div align="center" id="demo" style="overflow:hidden;height:200px;width:250px;border:1px solid #6699cc;font-size:14px;color:#336699;line-height:22px;text-align:left;padding:10px">
<div id="demo1">
无缝隙向上滚动,兼容IE和FF<br />
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专注网页前端制作问题
</div>
<div id="demo2"></div>
</div>
<script language="javascript" type="text/javascript">
<!--
var demo = document.getElementById("demo");
var demo1 = document.getElementById("demo1");
var demo2 = document.getElementById("demo2");
var speed=30; //滚动速度值，值越大速度越慢
var nnn=200/demo1.offsetHeight;
for(i=0;i<nnn;i++){demo1.innerHTML+="<br />"+ demo1.innerHTML}
demo2.innerHTML = demo1.innerHTML //克隆demo2为demo1
function Marquee(){
if(demo2.offsetTop-demo.scrollTop<=0) //当滚动至demo1与demo2交界时
demo.scrollTop-=demo1.offsetHeight //demo跳到最顶端
else{
demo.scrollTop++ //如果是横向的 将 所有的 height top 改成 width left
}
}
var MyMar = setInterval(Marquee,speed); //设置定时器
demo.onmouseover = function(){clearInterval(MyMar)} //鼠标经过时清除定时器达到滚动停止的目的
demo.onmouseout = function(){MyMar = setInterval(Marquee,speed)} //鼠标移开时重设定时器
-->
</script>
posted on 2009-03-30 12:07
sanmao 阅读(2916)
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