js倒計時代碼 適合於促銷-倒計時代碼

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<div class="tiem_price clearfix fonts" style="margin-top:15px;">    <div class="clockContainer clockContainer1 fl relative" id="38zhe"> <span class="day fl timer">00</span><em class="tag fl">天</em> <span class="hour fl timer">00</span><em class="tag fl">時</em> <span class="minute fl timer">00</span><em class="tag fl">分</em> <span class="second fl timer">00</span><em class="tag fl">秒</em> </div>    <div class="youhuiPrice relative fr">原價：3800元/次</div>  </div> 

　

<script>      $(function(){           countDown("2016/3/3  12:00:00","#38zhe");           countDown("2016/3/31 12:00:00","#0tuo");       });   </script> 

js 方法
function countDown(time,id){
   var day_elem=$(id).find(‘.day‘);
   var hour_elem=$(id).find(‘.hour‘);
   var minute_elem=$(id).find(‘.minute‘);
   var second_elem=$(id).find(‘.second‘);
   var end_time = new Date(time).getTime();
   var sys_second = (end_time-new Date().getTime())/1000;
   var timer = setInterval(function(){
      if(sys_second>1) {
         sys_second-=1;
         var day=Math.floor((sys_second/3600)/24);
         var hour=Math.floor((sys_second/3600)%24);
         var minute=Math.floor((sys_second/60)%60);
         var second=Math.floor(sys_second%60);
         $(day_elem).text(day);
         $(hour_elem).text(hour<10?"0"+hour:hour);
         $(minute_elem).text(minute<10?"0"+minute:minute);
         $(second_elem).text(second<10?"0"+second:second);
      }
      else {
         clearInterval(timer);
      }
   }, 1000);
}

js倒計時代碼 適合於促銷-倒計時代碼