倒计时

倒计时

Apr 08,2011 | 02:48 am | in javascript

<script type="text/javascript" language="javascript">
window.onload=function(){
    setInterval(leftTime,1000);
}
function leftTime()
{
    var obj=document.getElementById('timer');
    obj.innerHTML=getDiffDate(new Date('2012/10/1')-new Date());
}
// formatting the time;
function getDiffDate(t){
    t -= (D=Math.floor(t/(1000*60*60*24)))*(1000*60*60*24);
    t -= (H=Math.floor(t/(1000*60*60)))*(1000*60*60);
    t -= (i=Math.floor(t/(1000*60)))*(1000*60);
    S =  Math.floor(t/1000);
    return '距离2012/10/1还剩下：'+D+'天'+H+'时'+i+'分'+S+'秒';   
}
</script>
<!--show result-->
<div id="timer"></div>


from : Vipin-IT's Blog