20120301 14:10 js函数内部实现休眠

<script type="text/javascript" language="javascript">

function a(time){

i=1;

id=setInterval(b,time);

function b(){

if(i<=10){

document.write(i+"<br>");

i++;

}

else{

clearInterval(id);

}

}

}

a(1000);

</script>