Blitz - WPT: negated-never-matches-negated-first-of-type-when-ancestor-changes.html

wpt / css / selectors / invalidation / negated-never-matches-negated-first-of-type-when-ancestor-changes.html

/css/selectors/invalidation/negated-never-matches-negated-first-of-type-when-ancestor-changes.html

<!doctype html>
<meta charset="utf-8">
<html class="reftest-wait">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1926164">
<link rel="author" title="Zach Hoffman" href="mailto:zach@zrhoffman.net">
<link rel="match" href="negated-never-matches-negated-first-of-type-when-ancestor-changes-ref.html">
<link rel="help" href="https://drafts.csswg.org/selectors-4/#the-first-of-type-pseudo">
<style>
.some-hidden > :not(.never-matches:not(:first-of-type)) {
  display: none;
}
.to-hide {
  color: red;
}
</style>
<div id="ancestor">
  <div class="to-hide">Hidden</div>
  <div class="to-hide">Hidden</div>
</div>
<script>
document.documentElement.offsetTop;
(async () => {
  for (let i = 0; i < 10; i++) {
    await new Promise(r => requestAnimationFrame(r));
  }
  ancestor.classList.add("some-hidden");
  document.documentElement.classList.remove('reftest-wait');
})();
</script>
</html>

/css/selectors/invalidation/negated-never-matches-negated-first-of-type-when-ancestor-changes-ref.html

<!doctype html>
<meta charset="utf-8">