AJAX xmlHttp.readyState的返回值总是1代码如下：function QP2001_JF2001_Click(sCode,sPrtPrj,sReferFlag) {var tStrUrl;var tStrCondition;tStrCondition = " AND a.cContractCode = '" + sCode + "' "+ " AND f.cPPCode = '" + sPrtPrj + "'";tStrUrl = "

ajax里xmlhttp.readyState==4 && xmlhttp.status==200是什么意思小弟刚刚接触ajax，请各位老大们帮忙解释下,谢谢了！！！！！！ Ajax中的代码解释?xmlHttp.readyState==4和xmlHttp.readystate==4大小写有关系吗?if(xmlHttp.readyState==4){alert(xmlHttp.status) ;if(xmlHttp.status==200){// document.getElementById(tData).innerHTML = xmlHttp.responseText ;var logMessage = AJAX xmlHttp.readyState的返回值总是1代码如下：function QP2001_JF2001_Click(sCode,sPrtPrj,sReferFlag) {var tStrUrl;var tStrCondition;tStrCondition = AND a.cContractCode = ' + sCode + ' + AND f.cPPCode = ' + sPrtPrj + ';tStrUrl = cannot allocate xmlhttp . ； cannot allocate xmlhttp； 什么是ajax异步请求 Ext.lib.Ajax.request()原理? xmlhttp.readystate总是等于1怎么解决 struts2 + jsonInsert title here function getAjaxObject(){ var xmlhttp=null; if(window.XMLHttpRequest){ xmlhttp=new XMLHttpRequest(); }else{ xmlhttp=new ActiveXObject(Microsoft.XMLHTTP); } return xmlhttp; } function tt(){ var us ajax异步请求如何理解RT ajax 这个单词是啥米意思哩?3Q Ajax中的get和post两种请求方式的异同 英语翻译How does AJAX work?When an application uses AJAX,a new layer is added to the communication model.Inthe classic web application,communication between the client (the browser) and the webserver were performed directly,using HTTP requests.Ti 请问EXT是什么?我目前的进度是c# 和ASP入门AJAX框架是什么?框架是什么? ajax里的timestamp=+new Date().getTime() ;xmlReq.open(post,../jsonServlet?timeStamp=+new Date().getTime(),true); I often write to eileen and tell her about all the things that are happening at the Ajax Compangy翻 下面关于Ext.Ajax.request方法中的callback回调函数说法错误的是（）我选的c 是错的 邮政网银登陆不上去.一直提示cannot allocate xmlhttp,重做了几次系统好上个一天,第二天还是这样.问题出现在那了.今天又成这样了,