class-id-attr.html | Explore in Territory

<!doctype html>
<meta charset="utf-8">
<title>CSS Test: [id] and [class] attribute selectors are invalidated correctly.</title>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/selectors-4/#attribute-selectors">
<link rel="match" href="class-id-attr-ref.html">
<style>
[class="foo"] {
  color: green;
}
[id="baz"] {
  color: green;
}
</style>
<div id="foo">This should be green</div>
<div id="bar">And this too</div>
<script>
onload = function() {
  document.documentElement.offsetTop;
  foo.classList.add("foo");
  bar.setAttribute("id", "baz");
  document.documentElement.offsetTop;
}
</script>

chromium/third_party/blink/web_tests/external/wpt/css/selectors/invalidation/class-id-attr.html