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GeezerVison is showing github.com — wpt/css/selectors/is-where-basic.html at master · web-platform-tests/wpt Expand file tree/ Copy pathis-where-basic.htmlMore file actions 41 lines (37 loc) · 1.46 KB / Copy pathis-where-basic.htmlFile metadata and controls41 lines (37 loc) · 1.46 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 <!DOCTYPE html> <title>Basic :is/:where matching behavior</title> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <link rel="help" href="https://drafts.csswg.org/selectors-4/#matches"> <main id=main> <div id=a><div id=d></div></div> <div id=b><div id=e></div></div> <div id=c><div id=f></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(selector, expected) { test(function() { let actual = Array.from(main.querySelectorAll(selector)); assert_equals(formatElements(actual), formatElements(expected)); }, `${selector} matches expected elements`); } test_selector(':is()', []); test_selector(':is(#a)', [a]); test_selector(':is(#a, #f)', [a, f]); test_selector(':is(#a, #c) :where(#a #d, #c #f)', [d, f]); test_selector('#c > :is(#c > #f)', [f]); test_selector('#c > :is(#b > #f)', []); test_selector('#a div:is(#d)', [d]); test_selector(':is(div) > div', [d, e, f]); test_selector(':is(*) > div', [a, b, c, d, e, f]); test_selector(':is(*) div', [a, b, c, d, e, f]); test_selector('div > :where(#e, #f)', [e, f]); test_selector('div > :where(*)', [d, e, f]); test_selector(':is(*) > :where(*)', [a, b, c, d, e, f]); test_selector(':is(#a + #b) + :is(#c)', [c]); test_selector(':is(#a, #b) + div', [b, c]); </script> |
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