Convert XML to JSON with JavaScript

gistfile1.js

// Source From http://davidwalsh.name/convert-xml-json

// Changes XML to JSON
function xmlToJson(xml) {
  
  // Create the return object
  var obj = {};

  if (xml.nodeType == 1) { // element
    // do attributes
    if (xml.attributes.length > 0) {
    obj["@attributes"] = {};
      for (var j = 0; j < xml.attributes.length; j++) {
        var attribute = xml.attributes.item(j);
        obj["@attributes"][attribute.nodeName] = attribute.nodeValue;
      }
    }
  } else if (xml.nodeType == 3) { // text
    obj = xml.nodeValue;
  }

  // do children
  if (xml.hasChildNodes()) {
    for(var i = 0; i < xml.childNodes.length; i++) {
      var item = xml.childNodes.item(i);
      var nodeName = item.nodeName;
      if (typeof(obj[nodeName]) == "undefined") {
        obj[nodeName] = xmlToJson(item);
      } else {
        if (typeof(obj[nodeName].length) == "undefined") {
          var old = obj[nodeName];
          obj[nodeName] = [];
          obj[nodeName].push(old);
        }
        obj[nodeName].push(xmlToJson(item));
      }
    }
  }
  return obj;
};