1     function getRTime(){ 2         var EndTime= new Date(‘2015/01/13 10:00:00‘); //截止时间 3         var NowTime = new Date(); 4         var t =EndTime.getTime() - NowTime.getTime(); 5  6         var d=Math.floor(t/1000/60/60/24); 7         var h=Math.floor(t/1000/60/60%24); 8         var m=Math.floor(t/1000/60%60); 9         var s=Math.floor(t/1000%60);10 11         document.getElementById("t_d").innerHTML = d + "天";12         document.getElementById("t_h").innerHTML = h + "时";13         document.getElementById("t_m").innerHTML = m + "分";14         document.getElementById("t_s").innerHTML = s + "秒";15     }16     setInterval(getRTime,1000);

<span id="t_d">00 天</span> <span id="t_h">00 时</span> <span id="t_m">00 分</span> <span id="t_s">00 秒</span>