frame-no-frameset-crash.html

Enable keyboard shortcuts

<!doctype html>

<link rel=help href="https://bugzilla.mozilla.org/show_bug.cgi?id=1917361">

<script>

document.addEventListener("DOMContentLoaded", () => {

  const a = new Document()

  const b = a.createElementNS("http://www.w3.org/1999/xhtml", "frame")

  document.documentElement.appendChild(b)

  try { b.contentWindow.history.replaceState(undefined, "𛵢") } catch (e) {}

  b.contentWindow.history.go()

})

</script>