load method (XMLDocument)
<head><scripttype="text/javascript"src="ajax.js"></script><scripttype="text/javascript">var xmlDoc = null; function LoadXML () { xmlDoc = CreateXMLDocumentObject (); // defined in ajax.js if (!xmlDoc) { return; } if (typeof (xmlDoc.load) === "undefined") { // Google Chrome and Safari alert ("Your browser does not support the load method for XML documents!"); return; } var url = "news.xml"; xmlDoc.async = true; if (xmlDoc.addEventListener) { // all browsers except IE xmlDoc.addEventListener("load", OnLoadXML, false); } else { // IE xmlDoc.onreadystatechange = OnStateChange; } xmlDoc.load (url); } function OnLoadXML () { FillTable (); } function OnStateChange () { if (xmlDoc.readyState == 0 || xmlDoc.readyState == 4) { FillTable (); } } function FillTable () { var errorMsg = null; if (xmlDoc.parseError && xmlDoc.parseError.errorCode != 0) { errorMsg = "XML Parsing Error: " + xmlDoc.parseError.reason + " at line " + xmlDoc.parseError.line + " at position " + xmlDoc.parseError.linepos; } else { if (xmlDoc.documentElement) { if (xmlDoc.documentElement.nodeName == "parsererror") { errorMsg = xmlDoc.documentElement.childNodes[0].nodeValue; } } } if (errorMsg) { alert (errorMsg); returnnull; } var resTable = document.getElementById ("resTable"); var xmlNodes = ["title", "description", "pubDate", "link"]; var itemTags = xmlDoc.getElementsByTagName ("item"); for (i = 0; i < itemTags.length; i++) { resTable.insertRow (i); for (j = 0; j < xmlNodes.length; j++) { var recordNode = itemTags[i].getElementsByTagName (xmlNodes[j])[0]; resTable.rows[i].insertCell (j); if ('textContent'in recordNode) resTable.rows[i].cells[j].innerHTML = recordNode.textContent; else resTable.rows[i].cells[j].innerHTML = recordNode.text; } } } </script></head><bodyonload="LoadXML ()"><tableborder="1px"><theadstyle="font-weight: bold;"><tr><td>Title</td><td>Description</td><td>PubDate</td><td>Link</td></tr></thead><tbodyid="resTable"></tbody></table></body>
function CreateHTTPRequestObject () { // although IE supports the XMLHttpRequest object, but it does not work on local files. var forceActiveX = (window.ActiveXObject && location.protocol === "file:"); if (window.XMLHttpRequest && !forceActiveX) { returnnewXMLHttpRequest(); } else { try { returnnewActiveXObject("Microsoft.XMLHTTP"); } catch(e) {} } alert ("Your browser doesn't support XML handling!"); returnnull; } function CreateMSXMLDocumentObject () { if (typeof (ActiveXObject) != "undefined") { var progIDs = [ "Msxml2.DOMDocument.6.0", "Msxml2.DOMDocument.5.0", "Msxml2.DOMDocument.4.0", "Msxml2.DOMDocument.3.0", "MSXML2.DOMDocument", "MSXML.DOMDocument" ]; for (var i = 0; i < progIDs.length; i++) { try { returnnewActiveXObject(progIDs[i]); } catch(e) {}; } } returnnull; } function CreateXMLDocumentObject (rootName) { if (!rootName) { rootName = ""; } var xmlDoc = CreateMSXMLDocumentObject (); if (xmlDoc) { if (rootName) { var rootNode = xmlDoc.createElement (rootName); xmlDoc.appendChild (rootNode); } } else { if (document.implementation.createDocument) { xmlDoc = document.implementation.createDocument ("", rootName, null); } } return xmlDoc; } function ParseHTTPResponse (httpRequest) { var xmlDoc = httpRequest.responseXML; // if responseXML is not valid, try to create the XML document from the responseText property if (!xmlDoc || !xmlDoc.documentElement) { if (window.DOMParser) { var parser = newDOMParser(); try { xmlDoc = parser.parseFromString (httpRequest.responseText, "text/xml"); } catch (e) { alert ("XML parsing error"); returnnull; }; } else { xmlDoc = CreateMSXMLDocumentObject (); if (!xmlDoc) { returnnull; } xmlDoc.loadXML (httpRequest.responseText); } } // if there was an error while parsing the XML document var errorMsg = null; if (xmlDoc.parseError && xmlDoc.parseError.errorCode != 0) { errorMsg = "XML Parsing Error: " + xmlDoc.parseError.reason + " at line " + xmlDoc.parseError.line + " at position " + xmlDoc.parseError.linepos; } else { if (xmlDoc.documentElement) { if (xmlDoc.documentElement.nodeName == "parsererror") { errorMsg = xmlDoc.documentElement.childNodes[0].nodeValue; } } } if (errorMsg) { alert (errorMsg); returnnull; } // ok, the XML document is valid return xmlDoc; } // returns whether the HTTP request was successful function IsRequestSuccessful (httpRequest) { // IE: sometimes 1223 instead of 204 var success = (httpRequest.status == 0 || (httpRequest.status >= 200 && httpRequest.status < 300) || httpRequest.status == 304 || httpRequest.status == 1223); return success; }
<?xmlversion="1.0"encoding="utf-8"?><news><channel><item><title>Paula Abdul leaves American Idol</title><description>Paula Abdul has officially confirmed that she won’t be returning to American Idol this season. "With sadness in my heart, I’ve decided not to return to Idol," she wrote on her Twitter page.</description><pubDate>Wed, August 5, 2009 19:52:31 +0200</pubDate><link>http://www.tribute.ca/news/index.php/its-official-paula-abdul-leaves-american-idol/2009/08/05/</link></item><item><title>Criminal Minds star Moore hit by car</title><description>Shemar Moore, 39, who plays FBI Agent Derek Morgan in the CBS drama Criminal Minds, was hit by a car while bicycling in Los Angeles last Saturday.</description><pubDate>Thu, August 4, 2009 13:28:12 +0200</pubDate><link>http://www.tribute.ca/news/index.php/criminal-minds-star-moore-hit-by-car/2009/08/04/</link></item><item><title>Madonna writes love song for ex-husband</title><description>Madonna has sparked speculation that she wants to get back with her ex-husband, Guy Ritchie, after writing a love song for him in which she calls him her "eternal love".</description><pubDate>Fri, July 31, 2009 04:01:50 +0200</pubDate><link>http://www.tribute.ca/news/index.php/madonna-writes-love-song-for-ex-husband/2009/07/31/</link></item></channel></news>
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