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Quelle has-basic.html Sprache: HTML |
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<meta charset="utf-8"> <title>Basic matching behavior of :has pseudo class</title> <link rel="author" title="Byungwoo Lee" href="mailto:blee@igalia.com"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <link rel="help" href="https://drafts.csswg.org/selectors/#relational"> <main id=main> <div id=a class="ancestor"> <div id=b class="parent ancestor"> <div id=c class="sibling descendant"> <div id=d class="descendant"></div> </div> <div id=e class="target descendant"></div> </div> <div id=f class="parent ancestor"> <div id=g class="target descendant"></div> </div> <div id=h class="parent ancestor"> <div id=i class="target descendant"></div> <div id=j class="sibling descendant"> <div id=k class="descendant"></div> </div> </div> </div> </main> <script> function formatElements(elements) { return elements.map(e => e.id).sort().join(); } // Test that |selector| returns the given elements in #main. function test_selector_all(selector, expected) { test(function() { let actual = Array.from(main.querySelectorAll(selector)); assert_equals(formatElements(actual), formatElements(expected)); }, `${selector} matches expected elements`); } // Test that |selector| returns the given element in #main. function test_selector(selector, expected) { test(function() { assert_equals(main.querySelector(selector), expected); }, `${selector} matches expected element`); } // Test that |selector| returns the given closest element. function test_closest(node, selector, expected) { test(function() { assert_equals(node.closest(selector), expected); }, `closest(${selector}) returns expected element`); } // Test that |selector| returns matching status. function test_matches(node, selector, expected) { test(function() { assert_equals(node.matches(selector), expected); }, `${selector} matches expectedly`); } test_selector_all(':has(#a)', []); test_selector_all(':has(.ancestor)', [a]); test_selector_all(':has(.target)', [a, b, f, h]); test_selector_all(':has(.descendant)', [a, b, c, f, h, j]); test_selector_all('.parent:has(.target)', [b, f, h]); test_selector_all(':has(.sibling ~ .target)', [a, b]); test_selector_all('.parent:has(.sibling ~ .target)', [b]); test_selector_all(':has(:is(.target ~ .sibling .descendant))', [a, h, j]); test_selector_all('.parent:has(:is(.target ~ .sibling .descendant))', [h]); test_selector_all('.sibling:has(.descendant) ~ .target', [e]); test_selector_all(':has(> .parent)', [a]); test_selector_all(':has(> .target)', [b, f, h]); test_selector_all(':has(> .parent, > .target)', [a, b, f, h]); test_selector_all(':has(+ #h)', [f]); test_selector_all('.parent:has(~ #h)', [b, f]); test_selector('.sibling:has(.descendant)', c); test_closest(k, '.ancestor:has(.descendant)', h); test_matches(h, ':has(.target ~ .sibling .descendant)', true); </script> ¤ Dauer der Verarbeitung: 0.5 Sekunden ¤*© Formatika GbR, Deutschland |
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2026-03-28