nd: green;
    zoom: 2;
  }
</style>
<!-- Containing block with zoom causes zoomed abspos iframe
not to be laid out-->
<div class="boundary">
  <div id="parent">
  </div>
</div>
<script>
  document.body.offsetTop;
  let abs = document.createElement("iframe");
  abs.classList.add("abs");
  document.querySelector("#parent").appendChild(abs);
  test(() => {
  }, 'test passes if it does not crash');
</script>
