42 lines
1.4 KiB
HTML
42 lines
1.4 KiB
HTML
<!DOCTYPE html>
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<html lang=en class="reftest-wait">
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<meta charset="utf-8">
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<title>Selectors Level 4: focus-within with shadow DOM</title>
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<link rel="author" title="Keyong Li" href="mailto:kli79@bloomberg.net">
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<link rel="author" title="Florian Rivoal" href="mailto:florian@rivoal.net">
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<link rel="help" href="https://drafts.csswg.org/selectors-4/#focus-within-pseudo">
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<link rel="match" href="focus-within-shadow-001-ref.html">
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<meta name="flags" content="dom">
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<meta name="assert" content="Test that :focus-within applies to the parent of a shadow host containing a focused element.">
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<style>
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#target:focus-within {
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border: solid 15px green;
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}
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</style>
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<body>
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<p>Test passes if there is a green rectangle below.</p>
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<div id="target">
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<div id="shadow-host"><strong>Skip this test, shadow DOM is not supported.</strong></div>
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</div>
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<template id="shadow-template">
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<style>
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/* Suppress things that cannot be reproduced in the reference file */
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:focus {
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outline: none;
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}
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</style>
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<div id="focusme" tabindex="1"></div>
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</template>
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<script>
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var shadow = document.getElementById('shadow-host').attachShadow({mode: 'open'});
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var template = document.getElementById('shadow-template');
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var instance = document.importNode(template.content, true);
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shadow.appendChild(instance);
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var focusme = shadow.getElementById('focusme');
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focusme.focus();
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document.documentElement.classList.remove('reftest-wait');
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</script>
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</body>
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</html>
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