child-indexed-during-parse.html

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This WPT test may be referenced by the following Test IDs:
- /css/selectors/child-indexed-during-parse.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset=utf-8>

<title>Child-indexed pseudo-classes match correctly while the parent is still being parsed</title>

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

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

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

<link rel="help" href="https://drafts.csswg.org/selectors-4/#the-last-of-type-pseudo">

<link rel="help" href="https://drafts.csswg.org/selectors-4/#the-only-of-type-pseudo">

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

<link rel="help" href="https://drafts.csswg.org/selectors-4/#the-nth-last-of-type-pseudo">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<body>

<div id="last-child-container">

<div id="last-child-target">

<script>

test(() => {

  const container = document.getElementById("last-child-container");

  const target = document.getElementById("last-child-target");

  assert_true(target.matches(":last-child"), "matches");

  assert_equals(container.querySelector(":scope > :last-child"), target, "querySelector");

  assert_array_equals([...container.querySelectorAll(":scope > :last-child")], [target], "querySelectorAll");

}, ":last-child against an element still being parsed");

</script>

</div>

</div>

<div id="only-child-container">

<div id="only-child-target">

<script>

test(() => {

  const container = document.getElementById("only-child-container");

  const target = document.getElementById("only-child-target");

  assert_true(target.matches(":only-child"), "matches");

  assert_equals(container.querySelector(":scope > :only-child"), target, "querySelector");

  assert_array_equals([...container.querySelectorAll(":scope > :only-child")], [target], "querySelectorAll");

}, ":only-child against an element still being parsed");

</script>

</div>

</div>

<div id="last-of-type-container">

<p></p>

<div id="last-of-type-target">

<script>

test(() => {

  const container = document.getElementById("last-of-type-container");

  const target = document.getElementById("last-of-type-target");

  assert_true(target.matches(":last-of-type"), "matches");

  assert_equals(container.querySelector(":scope > div:last-of-type"), target, "querySelector");

  assert_array_equals([...container.querySelectorAll(":scope > div:last-of-type")], [target], "querySelectorAll");

}, ":last-of-type against an element still being parsed");

</script>

</div>

</div>

<div id="only-of-type-container">

<p></p>

<div id="only-of-type-target">

<script>

test(() => {

  const container = document.getElementById("only-of-type-container");

  const target = document.getElementById("only-of-type-target");

  assert_true(target.matches(":only-of-type"), "matches");

  assert_equals(container.querySelector(":scope > div:only-of-type"), target, "querySelector");

  assert_array_equals([...container.querySelectorAll(":scope > div:only-of-type")], [target], "querySelectorAll");

}, ":only-of-type against an element still being parsed");

</script>

</div>

</div>

<div id="nth-last-child-container">

<div id="nth-last-child-target">

<script>

test(() => {

  const container = document.getElementById("nth-last-child-container");

  const target = document.getElementById("nth-last-child-target");

  assert_true(target.matches(":nth-last-child(1)"), "matches");

  assert_equals(container.querySelector(":scope > :nth-last-child(1)"), target, "querySelector");

  assert_array_equals([...container.querySelectorAll(":scope > :nth-last-child(1)")], [target], "querySelectorAll");

}, ":nth-last-child(1) against an element still being parsed");

</script>

</div>

</div>

<div id="nth-last-of-type-container">

<p></p>

<div id="nth-last-of-type-target">

<script>

test(() => {

  const container = document.getElementById("nth-last-of-type-container");

  const target = document.getElementById("nth-last-of-type-target");

  assert_true(target.matches(":nth-last-of-type(1)"), "matches");

  assert_equals(container.querySelector(":scope > div:nth-last-of-type(1)"), target, "querySelector");

  assert_array_equals([...container.querySelectorAll(":scope > div:nth-last-of-type(1)")], [target], "querySelectorAll");

}, ":nth-last-of-type(1) against an element still being parsed");

</script>

</div>

</div>

</body>