js倒计时代码

剩余时间：<i id="expireTime"></i>

<script type="text/javascript">

 var expire = 2412169;

 var expireTime = function(expires){

  if(expires > 0){

   var second = expires;

  }else{

   var second = "0 分";

   return second;

  }

  var day = hour = min = "";

  if(second>86400){

   day = Math.floor(second/86400)+"天";

   second = second%86400;

  }

  if(second>3600){

   hour = Math.floor(second/3600)+"时";

   second = second%3600;

  } www.2cto.com

  if(second>60){

   min = Math.floor(second/60)+"分";

   second = second%60;

  }

  second = second+"秒";

  return day+hour+min+second;

 }

 var timeEle = document.getElementById("expireTime");

 var timer = window.setInterval(function(){

  timeEle.innerHTML = expireTime(expire--);

  if(expire<0){

   clearInterval(timer);

  }

 },1000);

</script>   

摘自 hld_hepeng的专栏