How to Parse XML Files in JavaScript Across Browsers?

Cross-Browser XML Parsing in Javascript

Problem:

How can XML files be parsed in Javascript across browsers and platforms?

Solution:

The following Javascript code can be used to achieve cross-browser parsing:

var parseXml;

if (typeof window.DOMParser != "undefined") {
    parseXml = function(xmlStr) {
        return ( new window.DOMParser() ).parseFromString(xmlStr, "text/xml");
    };
} else if (typeof window.ActiveXObject != "undefined" &&
       new window.ActiveXObject("Microsoft.XMLDOM")) {
    parseXml = function(xmlStr) {
        var xmlDoc = new window.ActiveXObject("Microsoft.XMLDOM");
        xmlDoc.async = "false";
        xmlDoc.loadXML(xmlStr);
        return xmlDoc;
    };
} else {
    throw new Error("No XML parser found");
}

Example usage:

var xml = parseXml("<foo>Stuff</foo>");
alert(xml.documentElement.nodeName);

Live Demo:

This code works in all major browsers, including IE 6. Check out the live demo below:

[Live Demo Link]

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