javascript 倒计时

<script>


   function countDown(container,delay)
   {
       
       setInterval(function(){
         var oTimer = $(container);
         var OLen = oTimer.length;
         var p=/(\d+)天(\d{1,2})时(\d{1,2})分(\d{1,2})秒/
         var format="xx天xx时xx分xx秒";
         var formatArr=format.split("xx");
         for(var i=0;i<OLen;i++){
            //取得时间
            var html=oTimer[i].innerHTML;
            var timerArr=html.match(p);
            if(!timerArr) 
             {
               oTimer[i].innerHTML='结束';
               continue;
              }
            //把时间转换成总秒数
            var sunSec=parseInt(timerArr[1])*86400+parseInt(timerArr[2])*3600+parseInt(timerArr[3])*60+parseInt(timerArr[4])
            sunSec = sunSec-parseInt(delay/1000);
            //把时间变回时间字符串
            var d=parseInt(sunSec/86400);
            var h=parseInt((sunSec%86400)/3600);
            var m=parseInt(((sunSec%86400)%3600)/60);
            var s=parseInt(((sunSec%86400)%3600)%60);
            oTimer[i].innerHTML=d+formatArr[1]+h+formatArr[2]+m+formatArr[3]+s+formatArr[4];
         }
       
       },delay)
       
    }

countDown(".timer",1000)
</script>

转载于:https://my.oschina.net/u/781909/blog/309174