testWindowLoad');
            window.addEventListener('load', (ev) => {
              elm.textContent = ev.type;
              elm.className = 'testWindowLoad';
            });
          })();
        </script>
      </li>

      <li>
        <strong>importScripts function</strong>
        <code id="testImportScripts"></code>
        <script type="text/partytown">
          (function () {
            const elm = document.getElementById('testImportScripts');
            elm.textContent = typeof importScripts