<!DOCTYPE html>
<meta charset=utf-8>
<title>Dynamically setting `reversed` should update the numbering</title>
<link rel=match href="reversed-1-ref.html">
<link rel=help href="https://html.spec.whatwg.org/#attr-ol-reversed">
<ol id="x">
  <li>Three</li>
  <li>Two</li>
  <li>One</li>
</ol>
<script>
  var l = document.getElementById("x");
  var w = l.offsetWidth;
  l.setAttribute("reversed", "");
</script>