{
            const elm = document.getElementById('testGetComputedStyleGetPropertyValue');
            const cs = getComputedStyle(elm);
            elm.textContent = cs.getPropertyValue('color');
          })();
        </script>
      </li>

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