nth-last-child-when-sibling-changes.html

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This WPT test may be referenced by the following Test IDs:
- /css/selectors/invalidation/nth-last-child-when-sibling-changes.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8">

<title>CSS Selectors Invalidation: :nth-last-child(... of class) when sibling changes</title>

<link rel="author" title="Zach Hoffman" href="mailto:zach@zrhoffman.net">

<link rel="author" title="Steinar H. Gunderson" href="mailto:sesse@chromium.org">

<link rel="match" href="nth-last-child-when-sibling-changes-ref.html">

<link rel="help" href="https://drafts.csswg.org/selectors-4/#child-index">

<style>

  .sibling + :nth-last-child(odd of .c) {

    color: green;

</style>

<div>

  <p class="sibling" id="toggler">Ignored</p>

  <p class="c">Odd; used to be green, should not be since no sibling</p>

  <p class="c">Even, so should not be green</p>

  <p class="c" class="sibling">Odd, but no sibling, so should not be green</p>

  <p class="c">Even, so should not be green</p>

  <p class="sibling">Ignored</p>

  <p class="c">Odd, should be green</p>

</div>

<script>

  document.documentElement.offsetTop;

  toggler.classList.toggle("sibling");

</script>