JSFiddle - React, Tailwind, and code Playground

HTML

<p style="margin: 2em;" class="noind">Versie: <span id="versie">TEMP</span>
<br />Datum: <span id="datum">TEMP</span>

JavaScript

$(function () {
    var XML = '<package xmlns="http://www.idpf.org/2007/opf" version="3.0" xml:lang="nl" unique-identifier="isbn-id" prefix="cc: http://creativecommons.org/ns# rendition: http://www.idpf.org/vocab/rendition/# ibooks: http://vocabulary.itunes.apple.com/rdf/ibooks/vocabulary-extensions-1.0/"><metadata xmlns:dc="http://purl.org/dc/elements/1.1/"><meta refines="#title" property="title-type">main</meta><meta property="ibooks:version">1.0.440</meta><meta property="dcterms:modified">2014-06-08T21:15:17Z</meta></metadata></package>';
    XML = $.parseXML(XML);
    $("#datum").html($(XML).find("meta[property='dcterms\\:modified']").text());
    $("#versie").html($(XML).find("meta[property='ibooks\\:version']").text());
});