ajax 

 1 <!DOCTYPE html>
 2 <html>
 3     <head>
 4         <meta charset="UTF-8">
 5         <title></title>
 6     </head>
 7     <body>
 8          <a href="helloajax.txt">11111111111</a>
 9     </body>
10     <script>
11         window.onload = function(){
12             document.getElementsByTagName('a')[0].onclick = function(){
13                 var XHR=new XMLHttpRequest();
14                 var url = this.href+'?time='+new Date();
15                 var methods = 'get';
16                 XHR.open(methods,url);
17                 XHR.send(null);
18                  XHR.onreadystatechange = function(){
19                      alert(XHR.readyState)
20                      if(XHR.readyState==4){
21                          if(XHR.status==200||XHR.status==304){
22                              alert(XHR.responseText);
23                          }
24                      }
25                  }
26             }
27              
28             return false; 
29         }    
30     </script>
31 </html>
 1 <!DOCTYPE html>
 2 <html>
 3     <head>
 4         <meta charset="UTF-8">
 5         <title></title>
 6     </head>
 7     <body>
 8         <a href="helloajax.txt">helloajax</a>
 9         <div id="content"></div>
10     </body>
11     <script type="text/javascript" src="js/jquery-2.0.3.js" ></script>
12     <script>
13         $(fiunction(){
14             $('a').click(function(){
15                 var url = this.href;
16                 var args = {"time":new Date()};
17                 $('#content').load(url,args);
18                 return false;
19             })
20         })
21     </script>
22 </html>
 1 <!DOCTYPE html>
 2 <html>
 3     <head>
 4         <meta charset="UTF-8">
 5         <title></title>
 6     </head>
 7     <body>
 8          <a href="helloajax.txt">11111111111</a>
 9     </body>
10     <script>
11         window.onload = function(){
12             document.getElementsByTagName('a')[0].onclick = function(){
13                 var XHR=new XMLHttpRequest();
14                 var url = this.href;
15                 var methods = 'post';
16                 XHR.open(methods,url);
17                 XHR.setRequestHeader('ContentType',"application/x-www-form-urlencoded");
18                 XHR.send("address=' 武汉'");
19                  XHR.onreadystatechange = function(){
20                      if(XHR.readyState==4){
21                          if(XHR.status==200||XHR.status==304){
22                              alert(XHR.responseText);
23                          }
24                      }
25                  }
26             }
27              
28             return false; 
29         }    
30     </script>
31 </html>

 

posted @ 2018-03-13 16:21  gaoxuerong  阅读(118)  评论(0)    收藏  举报