javaScript刷新页面

刷新页面有一下几种:

1、直接在页面上: 每两秒刷新页面 

<meta http-equiv="refresh" content="2">

2、每秒刷新页面

1 setTimeout('myrefresh()',1000);
2 function myrefresh() {
3 window.location.reload(); 
4 } 

3、每整点刷新一次

1 setInterval("flash()",1000);
2      function  flash(){
3         var now=new Date();
4         var s=now.getSeconds();
5         var m=now.getMinutes();
6         if(m=="0"&& s=="0"){
7             window.location.reload();
8         }
9     };

4、每两小时刷新一次页面

 1  setInterval("flash2Hour()", 1000);
 2     function flash2Hour(){
 3         var now=new Date();
 4         var h=now.getHours();
 5         var m=now.getMinutes();
 6         var s=now.getSeconds();
 7         var arr=["0","2","4","6","8","10","12","14","16","18","20","22"];
 8         for(var i=0;i<arr.length;i++){
 9             if(h==arr[i]){
10                 if(m=='0'&& s=='0'){
11                     window.location.reload();
12                 }
13             }
14         } 
15     }; 

 

原文地址:https://www.cnblogs.com/whx20100101/p/7681727.html