parse-heading.html

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

<!DOCTYPE html>

<meta charset="utf-8">

<title>CSS Selectors: The heading pseudo-classes</title>

<link rel="help" href="https://drafts.csswg.org/selectors-5/#headings">

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

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

<script src="/css/support/parsing-testcommon.js"></script>

<script>

  test_valid_selector(':heading');

  test_valid_selector(':heading(2)');

  test_valid_selector(':heading(99999)');

  test_valid_selector(':heading(0)');

  test_valid_selector(':heading(0, 1, 2)');

  test_valid_selector(':heading(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)');

  test_valid_selector(':heading(-1)');

  test_valid_selector('h1:heading');

  test_valid_selector('h1:heading(1)');

  test_valid_selector('h1:heading(2)');

  test_invalid_selector(':heading()');

  test_invalid_selector(':heading(1.0)');

  test_invalid_selector(':heading(1.4)');

  test_invalid_selector(':heading(n)');

  test_invalid_selector(':heading(odd)');

  test_invalid_selector(':heading(even)');

  test_invalid_selector(':heading(2n)');

  test_invalid_selector(':heading(2n+1)');

  test_invalid_selector(':heading(2n+2)');

  test_invalid_selector(':heading(-n+3)');

  test_invalid_selector(':heading(2n, 3n)');

  test_invalid_selector(':heading(2, 3n)');

  test_invalid_selector(':heading(2 of .foo)');

  test_invalid_selector(':heading(2n of .foo)');

  test_invalid_selector(':heading(calc(1))');

  test_invalid_selector(':heading(max(1, 2))');

  test_invalid_selector(':heading(min(1, 2)');

  test_invalid_selector(':heading(var(--level))');

</script>