哪里错了？

Question

var timer=setTimeout("scroll(),3");
改成；
setTimeout("scroll(),3");

Answer 1

<script language="JavaScript">
var locate=0;
function scroller(){
if(locate!=60){
scroll(1,locate);
}locate++
setTimeout(scroller(),3);
}
</script>

Answer 2

//以下是双击自动滚屏
var currentpos, timer4ScrollWin;
function Init4ScrollWin()
{
timer4ScrollWin = setInterval("ScrollWin()", 50);
}function StopScrollWin()
{
clearInterval(timer4ScrollWin);
}function ScrollWin()
{
currentpos = document.body.scrollTop;
window.scroll(0, ++currentpos);
if (currentpos != document.body.scrollTop)
{
StopScrollWin();
}
}document.onmousedown=StopScrollWin;
document.ondblclick=Init4ScrollWin;