<!DOCTYPE html> <html> <head> <meta charset="gb2312"/> <title>限时抢</title> <style> #box{ color:red; font-size:16px; width:300px; margin:0 auto; } #box span{ color:#333; } </style> <script> window.onload=function(){ FreshTime(); } function FreshTime() { var endtime=new Date("2017/5/15,12:20:12");//结束时间 var nowtime = new Date();//当前时间 var lefttime=parseInt((endtime.getTime()-nowtime.getTime())/1000); d=parseInt(lefttime/60/60/24); h=parseInt(lefttime/60/60%24); m=parseInt(lefttime/60%60); s=parseInt(lefttime%60); document.getElementById("LeftTime").innerHTML=d+"天"+h+"小时"+m+"分"+s+"秒"; if(lefttime<=0){ document.getElementById("LeftTimebox").innerHTML="团购已结束"; clearInterval(sh); } } var sh; sh=setInterval(FreshTime,500); </script> </head> <body> <div id="box">还剩：<span id="LeftTime"></span></div> </body> </html>