JavaScript 倒计时实例详解编程语言

 !DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd" 

 html 

 head 

 meta http-equiv="Content-Type" content="text/html; charset=UTF-8" 

 title 元旦倒计时 /title 

 style type="text/css" 

 #msg{ 

 text-align: center; 

 font-size: 130px; 

 #timer{ 

 font-size: 130px; 

 color: red; 

 /style 

 script type="text/javascript" 

 function showTime(){ 

 var currentTime=new Date(); 

 var endTime=new Date("2015/2/13"); 

 var remainTime=endTime.getTime()-currentTime.getTime(); 

 // 1天=24小时 1小时=60分钟 1分钟=60秒 1秒=1000毫秒 

 var day=Math.floor(remainTime/(24*60*60*1000)); 

 var hour=Math.floor((remainTime-day*24*60*60*1000)/(60*60*1000)); 

 var minute=Math.floor((remainTime-day*24*60*60*1000-hour*60*60*1000)/(60*1000)); 

 var second=Math.floor((remainTime-day*24*60*60*1000-hour*60*60*1000-minute*60*1000)/(1000)); 

 if(remainTime 0){ 

 document.getElementById("msg").innerHTML="元旦已经结束！"; 

 }else{ 

 var time=day+"天 "+hour+"时"+minute+"分"+second+"秒！"; 

 document.getElementById("timer").innerHTML=time; 

 setInterval("showTime()",1000); 

 /script 

 /head 

 body 

 div id="msg" 距离网博放假还有： br/ span id="timer" br/ 一定要Holder住!!!! /div 

 /body 

 /html 

8843.html