Quiz — iFrame

<iframe
  id="QFPFtDxXLvd5RXGwkvLV"
  width="100%"
  height="700"
  title="Timepath Quiz"
  src="https://embed.timepath.co/quiz/QFPFtDxXLvd5RXGwkvLV"
  frameborder="0"
  scrolling="no"
  allow="encrypted-media; clipboard-read; clipboard-write; fullscreen"
  loading="lazy"
></iframe>

<script type="text/javascript">
(function () {
  var FRAME_ORIGIN = "https://embed.timepath.co";
  var FRAME_ID = "QFPFtDxXLvd5RXGwkvLV";
  var el = document.getElementById(FRAME_ID);
  if (!el) return;

  var raf = null;
  function setHeight(px) {
    if (raf) return;
    raf = requestAnimationFrame(function () {
      el.style.height = String(px) + "px";
      raf = null;
    });
  }

  window.addEventListener("message", function (e) {
    if (!e || e.origin !== FRAME_ORIGIN) return;
    var d = e.data && typeof e.data === "object" ? e.data : null;
    if (!d || d.quizId !== FRAME_ID) return;
    var h = d.frameHeight;
    if (typeof h === "number" && h > 0 && h < 100000) setHeight(h);
  });

  el.addEventListener("load", function () {
    try {
      el.contentWindow && el.contentWindow.postMessage(
        { parentUrl: window.location.href, quizId: FRAME_ID, v: "2.0" },
        FRAME_ORIGIN
      );
    } catch (err) {}
  }, { once: true });
})();
</script>