XML2JSON.js

const XML2JSON = (xml, selector) => {
  let entries = xml.querySelectorAll(selector);

  let outData = [];

  Array.from(entries).forEach((entry, i) => {
    outData[i] = {};

    Array.from(entry.children).forEach(node => {
     
        let the_JSON = node.innerHTML;

        if (the_JSON.length > 0) {
          outData[i][node.localName] = JSON.parse(the_JSON);
        }
      
    });
  });

  return outData;
};

let myJSON = XML2JSON(new DOMParser().parseFromString(inputXML, "text/xml"), "entry content properties");