<html> <body> <div id="demo"> <div id="demo1" style="padding:0px">~~~~~~~~内容填在这里咯~~~~~~~~</div> <div id="demo2"></div> <div> </div></div> <script> var speed=50 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>