/PATENTS.txt
-->
<html>
  <head>
    <title>ParentNode append</title>
    <script>
      for (const item of [
        Document.prototype,
        DocumentFragment.prototype,
        Element.prototype,
      ]) {
        delete item.append;
      }
    </script>
    <script src="../../node_modules/@webcomponents/webcomponentsjs/bundles/webcomponents-pf_dom.js"></script>
    <script src="../wct-config.js"></script>
    <script src="../../node_modules/wct-browser-legacy/browser.js"></script>
  </head>
  <body>