<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
</head>
<body>
<div class="time"></div>
<script src="jquery-1.11.3.min.js"></script>
<script>
//倒计时
window.setInterval(function(){
var startTime=new Date("2016/7/21 16:32:10");
/* var endTime=new Date("2016/6/20 12:32:10");*/
var endTime=new Date();
var startSeconds=startTime.getTime();
var endSeconds=endTime.getTime();
var spanTime=startSeconds-endSeconds;
var time=document.getElementsByClassName("time")[0];
if(spanTime>0){
var day=Math.floor(spanTime/(1000*60*60*24));
var hours=Math.floor(spanTime/(1000*60*60))%24;
var minutes=Math.floor(spanTime/(1000*60))%60;
var seconds=Math.floor(spanTime/1000)%60;
time.innerHTML="距离活动还剩:"+zero(day)+"天"+zero(hours)+"小时"+zero(minutes)+"分"+zero(seconds)+"秒";
}else{
time.innerHTML="活动已结束!";
}
},1000);
function zero(num){
return num<10?"0"+num:num;
}
</script>
</body>
</html>
