<!DOCTYPE html> <meta charset=utf-8> <title>Reversed numbering should update on dynamic addition of child nodes</title> <link rel=match href="reversed-1-ref.html"> <link rel=help href="https://html.spec.whatwg.org/#attr-ol-reversed"> <ol id="x" reversed> <li>Three</li> <li>Two</li> </ol> <script> var l = document.getElementById("x"); var w = l.offsetWidth; var li = document.createElement("li"); li.textContent = "One" l.appendChild(li); </script>