<body>
<marquee?behavior="alternate"?scrollamount="1"?direction="up"?onbounce="pp()"?bgcolor="pink"?width="300"?height="400">
加速世界
</marquee>
<script?type="text/javascript"?>
var?i=1;
var?t=true;
var?k=window.event.keyCode;
function?pp()
{
????var?e=window.event;
????var?obj=e.srcElement;
????if(k==37)
???? t=false;
????if(k==39)
???? t=true;
????if(t==false)
???? i=i-1;
????else??
???? i=i+1;
????obj.scrollamount=i;
}
</script>
</body>
如何左右方向鍵控制滾動速度？
錯過了年華
2016-12-12 23:14:35
