Quelle heading.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/testing/web-platform/tests/css/selectors/heading.html

<!doctype html>
<meta charset=utf-8>
<title>:heading and :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>

<h1 data-expect-match="1"></h1>
<h2 data-expect-match="2"></h2>
<h3 data-expect-match="3"></h3>
<h4 data-expect-match="4"></h4>
<h5 data-expect-match="5"></h5>
<h6 data-expect-match="6"></h6>
<h7 data-expect-match=""></h7>
<h8 data-expect-match=""></h8>
<h9 data-expect-match=""></h9>
<h0 data-expect-match=""></h0>
<h1 data-expect-match="1" aria-level="2"></h1>
<section><h1 data-expect-match="1"></h1></section>
<hgroup data-expect-match=""></hgroup>
<p role="heading" aria-level="1" data-expect-match=""></p>

<script>
const els = document.querySelectorAll('[data-expect-match]');
const tests = [
  {args: ['1'], match: [1]},
  {args: ['2'], match: [2]},
  {args: ['3'], match: [3]},
  {args: ['4'], match: [4]},
  {args: ['5'], match: [5]},
  {args: ['6'], match: [6]},
  {args: ['7'], match: []},
  {args: ['8'], match: []},
  {args: ['9'], match: []},
  {args: ['0'], match: []},
  {args: ['0', '1', '2'], match: [1, 2]},
  {args: ['6', '7'], match: [6]},
];
for (const el of els) {
  const testName = el.outerHTML + (el.parentNode === document.body ? '' : ' in ' + el.parentNode.localName);

  test(() => {
    const matches = el.matches(':heading');
    const shouldMatch = el.dataset.expectMatch !== "";
    assert_equals(matches, shouldMatch);
  }, testName + ' :heading');

  for (const t of tests) {
    const selector = `:heading(${t.args.join(', ')})`;
    test(() => {
      const matches = el.matches(selector);
      const expectMatchLevel = parseInt(el.dataset.expectMatch, 10);
      const shouldMatch = t.match.includes(expectMatchLevel);
      assert_equals(matches, shouldMatch, selector);
    }, testName + ' ' + selector);
  }
}
</script>

Messung V0.5 in Prozent

¤ Dauer der Verarbeitung: 0.3 Sekunden ¤

Wurzel

Suchen

PVS Prover

Isabelle Prover

NIST Cobol Testsuite

Cephes Mathematical Library

Vienna Development Method

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.