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js countdown snap-up example_javascript skills

WBOYOriginal: 2016-05-16 15:24:272223browse

The example in this article shares the JavaScript implementation of a limited time sale for your reference. The specific code is as follows

Operation rendering:

The specific code is as follows:

<!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=gb2312">
<title>限时抢购倒计时</title>
<style type="text/css">
 body{
 text-align: center;
 }
 #first{
 color:#ff7300;
 font-size:30px;
 margin-left:10px;
 }
</style>
<script type="text/javascript">
window.onload=function(){
setInterval(changTime, 500);
function changTime(){
document.getElementById("time").innerHTML=getTime();
changeStyle();
}
function gR()
{
 return Math.floor(Math.random()*16);
}
function changeStyle(){
var ele=document.getElementById("time");
var size=Math.random()*40;
ele.style.fontSize=((size+10)+"px");
var mc=new Array("0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F");
ele.style.color="#"+mc[gR()]+mc[gR()]+mc[gR()]+mc[gR()]+mc[gR()]+mc[gR()];
 
}
function getTime(){
 var now=new Date().getTime();
 var end=new Date("2015/12/20").getTime();
 var temp=end-now;
 if(temp<=0)
 {
  document.getElementById("first").innerHTML="抢购活动已结束！！！！！";
  return "";
 }else
 {
 var temp2=new Date();
 temp2.setTime(temp);
 var sec=Math.floor((temp)/1000%60);
 var min=Math.floor(temp/(60*1000)%60);
 var hou=Math.floor(temp/(60*60*1000)%24);
 var day=Math.floor(temp/(24*60*60*1000));
 
 return day+"天 "+hou+"小时 "+min+"分钟 "+sec+"秒";
 }
}
};
</script>
</head>
<body>
 <br/><br/><br/><br/><br/>
 <span id="first">距离限时抢购还有 </span>
 <span id="time"></span>
</body>
</html>

I hope the examples in this article will be helpful to everyone in learning javascript programming.

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