xmlToJson

Two functions that convert XML to JSON from within XML. Based on http://davidwalsh.name/convert-xml-json.

by Frank van Puffelen

HTML

XML:   <pre id="countxml"></pre>
  JSON1: <pre id="count"></pre>
  <pre id="output"></pre>
  JSON2: <pre id="count2"></pre>
  <pre id="output2"></pre>

JavaScript

//
// Two ways of converting XML to JSON
// Based on an example from http://davidwalsh.name/convert-xml-json
// Modifications by Frank van Puffelen (http://frank.vanpuffelen.net
//

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].push) == "undefined") {
          var old = obj[nodeName];
          obj[nodeName] = [];
          obj[nodeName].push(old);
        }
        obj[nodeName].push(xmlToJson(item));
      }
    }
  }
  return obj;
}

function xmlToJson2(xml) {
  // Create the return object
  var obj = {};

  if (xml.nodeType == 1) { // element
    // do attributes
    for (var j = 0; j < xml.attributes.length; j++) {
      var attribute = xml.attributes.item(j);
      obj["@"+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] = xmlToJson2(item);
      } else {
        if (typeof(obj[nodeName].push) == "undefined") {
          var old = obj[nodeName];
          obj[nodeName] = [];
          obj[nodeName].push(old);
        }
       ...