//AjaxDemo.html !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> html xmlns="http://www.w3.org/1999/xhtml"> head> meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> title>Asynchronous JavaScript And XML/title> /head> body> script type="text/javascript"> var xmlHttp=null; function readyStateChangeHandle() { if(xmlHttp.readyState==4) { if(xmlHttp.status==200) { var xmlDOM=xmlHttp.responseXML; var xmlRoot=xmlDOM.documentElement; try { var xmlItem=xmlRoot.getElementsByTagName("item"); alert(xmlItem[0].firstChild.data); } catch(e) { alert(e.message); } } } } function ajaxRequest() { if(window.XMLHttpRequest) { xmlHttp=new XMLHttpRequest(); } else if(window.ActiveXObject) { xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlHttp.onreadystatechange=readyStateChangeHandle; xmlHttp.open("GET","data.xml",true); xmlHttp.send(null); } /script> input type="button" onclick="ajaxRequest()" value="Take me to the world of AJAX" /> /body> /html> //data.xml ?xml version="1.0" encoding="GB2312" ?> root> item>Welcome to the world of AJAX(Asynchronous JavaScript And XML)!/item> /root>
