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<script>
function createXMLHttp(){
var request;

var browser=navigator.appName;

if(browser=="Microsoft Internet Explorer"){
request=new ActiveXObject("Microsoft.XMLHttp");
return request;
}else{
request=new XMLHttpRequest();
return request;
}
}

var xhr=createXMLHttp();
function HelloSunYang(){
var url="servlet/Hello.do?name=" + document.forms[0].name.value;
//tiaozhuan
alert(url);
xhr.open("GET",url,true);
xhr.onreadystatechange=getHello ;
xhr.send();

}
function getHello(){
//panduan XMLHttpRequest zhuangtai
if(xhr.readyState==4){
//shezhibianliang helloStr dezhi
var helloStr=xhr.responseText;
alert(helloStr);
document.getElementById("hello").innerHTML=helloStr;
}
}
</script>


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<servlet>
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// <![CDATA[
Sys.Application.initialize();
Sys.Application.add_init(function() {
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package com.ljc.rank.ajax;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
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JScript code:

var xmlhttp=new ActiveXObject("Microsoft.XMLHTTP")


function ajaxTest() {

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