frame_recursive_dynamic.html

Enable keyboard shortcuts

<script>

  addEventListener("load", () => {

    let e = document.createElement("iframe");

    e.id = "dynamic";

    document.body.appendChild(e); // append before setting source, forcing load of about:blank

    e.src = window.location.href; // set src to ourselves to start recursing

  }, { once: true });

</script>