How to realize HELLOAJAX

Today, I will talk to you about how to use AJAX to achieve HELLO AJAX, many people may not know much about it. In order to make you understand better, the editor has summarized the following content for you. I hope you can get something according to this article.

Client part:

The code is as follows:

Var ajax; function createAjax () {if (window.ActiveXObject) {try {return new ActiveXObject ("Msxm12.XMLHTTP");} catch (e) {try {return new ActiveXObject ("Microsoft.XMLHTTP");} catch (e2) {return null;} else if (window.XMLHttpRequest) {return new XMLHttpRequest ();} else {return null;}} function onRcvData () {if (ajax.readyState==4) {if (ajax.status==200) {var content=document.getElementById ('content') Content [XSS _ clean] = ajax.responseText;} else {alert ("error");} function ajaxSendRequest (uri) {ajax=createAjax (); if (! ajax) {alert ("no"); return 0;} ajax.onreadystatechange=onRcvData; ajax.open ("GET", uri,true); ajax.send (");} Hello AJAX