不執(zhí)行滾動。。是什么問題
?<script>
?
? ? var p1= document.getElementById('p1'),
? p2= document.getElementById('p2'),
div1= document.getElementById('div1');
p1.innerHTML = p2.innerHTML;
? function scrollUp(){
if(div1.scrollTop >= p1.offsetHeight){
? div1.scrollTop=0;
}else{
? div1.scrollTop++;
}
}
?var time = 50;
var myScroll = setInterval('scrollUp()',time);
?
</script>
2016-11-28
offsetHeight