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代碼如下：
<html>
<head
<title>New Page 2</title>
</head>
<body>
<div id=demo style=overflow:hidden;height:60px>
<div id=demo1>
111111111111111<br>
222222222222222<br>
333333333333333<br>
444444444444444<br>
555555555555555
</div>
<div id=demo2></div>
<script>
var t=demo.scrollTop
demo2.innerText=demo1.innerText
function qswhMarquee(){
if(demo2.offsetTop-demo.scrollTop<=0)
demo.scrollTop-=demo1.offsetHeight
else
demo.scrollTop = demo.scrollTop +3 //3表示一次移動的象素
}
setInterval(qswhMarquee,1000)//1000 表示 滾動的時間
</script></body>
</html>
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