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Detailed explanation of how to implement the countdown time difference effect in Javascript

黄舟
黄舟Original
2017-05-21 11:37:441030browse

This article mainly introduces in detail the Javascript implementation of the countdown time difference effect, which has a certain reference value. Interested friends can refer to it

The examples in this article are shared with everyone. The implementation code of jscountdown time difference effect is provided for your reference. The specific content is as follows

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>当前系统时间</title>
<link rel="stylesheet" href="style.css" />
<script language="javascript" type="text/javascript">

 window.onload = function(){
 showTime();
 }
 function checkTime(i){ //补位处理
 if(i<10){
  i=&#39;0&#39;+i;
 }
 return i;
 }
 function showTime(){
 var now=new Date();
 var year= now.getFullYear();
 var month= now.getMonth()+1;
 var day= now.getDate();
 var h= now.getHours();
 var m= now.getMinutes();
 var s= now.getSeconds();
 m=checkTime(m);
 s=checkTime(s);

 var weekday=new Array(7)
 weekday[0]="星期日"
 weekday[1]="星期一"
 weekday[2]="星期二"
 weekday[3]="星期三"
 weekday[4]="星期四"
 weekday[5]="星期五"
 weekday[6]="星期六"

 document.getElementById("show").innerHTML=""+year+"年"+month+"月"+day+"日 "+ ? +h+":"+m+":"+s;
 t=setTimeout(&#39;showTime()&#39;,500)
 }

</script>
</head>
<body>
<p class="content1">
 <p id="show">显示时间的位置</p>
</p>
</body>
</html>

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