<html><head><title>AjaxTest</title><script>var xmlHttp;function createXMLHttpRequest(){ if(window.ActiveXObject) { xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); } else if(window.XMLHttpRequest) { xmlHttp = new XMLHttpRequest(); }}function startRequest(){ createXMLHttpRequest(); try { xmlHttp.onreadystatechange = handleStateChange; xmlHttp.open("GET", "data.xml", true); xmlHttp.send(null); } catch(exception) { alert("xmlHttp Fail"); }}function handleStateChange(){ if(xmlHttp.readyState == 4) { if (xmlHttp.status == 200 || xmlHttp.status == 0) { var root = xmlHttp.responseXML.documentElement; try { var info = root.getElementsByTagName("info")[0]; alert(info.getAttribute('type')); } catch(exception) { alert("The node is not exist"); } } }}</script></head><body> <div> <input type="button" value="AjaxTest" onclick="startRequest();" /> </div></body></html>
<?xml version="1.0" encoding="GB2312"?><root> <info type="student"></info></root>
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