<script?type="text/javascript">
?var?area?=?document.getElementById('moocBox');
?var?con1?=?document.getElementById('con1');
?var?con2?=?document.getElementById('con2');
?var?speed?=?50;
?var?iHeight=24;
?var?delay=2000;
?var?time;
?area.scrollTop?=?0;
?con2.innerHTML?=?con1.innerHTML;??//克隆con1給con2
setTimeout('star()',delay);//初始化
function?star(){
area.scrollTop++;
time=setInterval('starscroll()',speed);
}
function?starscroll(){
if(area.scrollTop?%?iHeight==0){
clearInterval(time);
setTimeout('star()',delay)
????}else{
????area.scrollTop++;
????if(area.scrollTop?>=?con1.scrollHeight){
???? ????area.scrollTop=0;
????????}
???? }
}
?
area.onmouseenter=function(){
clearInterval(time);
}
area.onmouseleave=function(){
time=setInterval('starscroll()',speed);
}
?</script>
2016-06-09
在onmouseover里面，先做清理定時器。因為沒有清理定時器，所以就會加速。