chromium/third_party/blink/web_tests/external/wpt/css/selectors/invalidation/nth-last-child-containing-ancestor.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Selectors Invalidation: :nth-last-child(... of S) with ancestor in S</title>
<link rel="author" title="Zach Hoffman" href="mailto:[email protected]">
<link rel="author" title="Steinar H. Gunderson" href="mailto:[email protected]">
<link rel="match" href="nth-child-containing-ancestor-ref.html">
<link rel="help" href="https://drafts.csswg.org/selectors-4/#child-index">
<style>
  div:nth-last-child(odd of .a .b) {
    color: green;
  }
</style>
<div id="toggler">
  <div>
    <div>
      <div class="b">Should be green</div>
    </div>
  </div>
</div>
<script>
  document.documentElement.offsetTop;
  toggler.classList.toggle("a");
</script>