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16 lines
889 B
HTML
16 lines
889 B
HTML
<!doctype html>
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<title>CSS Test: ::slotted() should not match via the matches() API, since it's in the wrong scope</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
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<link rel="help" href="https://drafts.csswg.org/css-scoping/#slotted-pseudo">
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<link rel="help" href="https://dom.spec.whatwg.org/#dom-element-matches">
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<link rel="help" href="https://bugzil.la/1544242">
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<div id="host"><div id="slotted"></div></div>
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<script>
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test(function() {
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let slotted = document.getElementById("slotted");
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host.attachShadow({ mode: "open" }).innerHTML = `<slot></slot>`;
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assert_false(slotted.matches("::slotted(div)"), "Shouldn't match ::slotted from the outer tree")
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}, "::slotted() doesn't reveal the presence of shadow DOM via matches()");
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</script>
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