<span id=s1 onmouseover=go() style=background:red;height:400;position:absolute;>鼠标移过来</span>
<script>
var i=0;
function go()
{
s1.style.clip="rect("+i+" auto auto auto)";
i++;
setTimeout("go()",1);
}
</script>
<script>
var i=0;
function go()
{
s1.style.clip="rect("+i+" auto auto auto)";
i++;
setTimeout("go()",1);
}
</script>
可否举例说明一下?