<!DOCTYPE html><html><head><meta charset="utf-8" ><title></title></head><body onload="leftTimer()"><h2>投标倒记时:</h2><table> <tr> <td id="days" style=" color: #000;"></td> <td id="hours"></td> <td id="minutes"></td> <td id="seconds"></td> </tr></table><style type="text/css"> td{ background: #1e7bb3; padding: 0 10px; height: 50px; line-height: 50px; font-size: 30px; color: #fff; font-weight: bold;}</style></body></html><script language="javascript" type="text/javascript">var itimer=null;function checkTime(i){ //将0-9的数字前面加上0,例1变为01 if(i <1) { return "00"; } else { if(i<10) { i = "0" + i; } return i; }}function c(a){ console.log(a);}function leftTimer(year,month,day,hour,minute,second){ var leftTime = (new Date(year,month-1,day,hour,minute,second)) - (new Date()); //计算剩余的毫秒数 var days = parseInt(leftTime / 1000 / 60 / 60 / 24 , 10); //计算剩余的天数 var hours = parseInt(leftTime / 1000 / 60 / 60 % 24 , 10); //计算剩余的小时 var minutes = parseInt(leftTime / 1000 / 60 % 60, 10);//计算剩余的分钟 var seconds = parseInt(leftTime / 1000 % 60, 10);//计算剩余的秒数 var seconds11=seconds; days = checkTime(days); hours = checkTime(hours); minutes = checkTime(minutes); seconds = checkTime(seconds); document.getElementById("days").innerHTML = days+"天"; document.getElementById("hours").innerHTML = hours+"小时"; document.getElementById("minutes").innerHTML = minutes+"分"; document.getElementById("seconds").innerHTML = seconds+"秒"; //清除定时器任务 if(seconds11 < 0) { clearInterval(itimer); } c(leftTime);}window.onload = function(){ itimer= setInterval("leftTimer(2018,03,07,10,30,00)",1000);}</script>