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60 lines
No EOL
1.8 KiB
HTML
60 lines
No EOL
1.8 KiB
HTML
<!DOCTYPE html>
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<html lang="en"><head><meta charset="utf-8">
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<title>Selectors Level 4: focus-within with shadow DOM</title>
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<link href="mailto:kli79@bloomberg.net" rel="author" title="Keyong Li">
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<link href="https://drafts.csswg.org/selectors-4/#focus-within-pseudo" rel="help">
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<link href="reference/focus-within-shadow-001-ref.htm" rel="match">
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<meta content="interact dom" name="flags">
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<meta content="Test that :focus-within propagates through nested shadow DOMs containing a focused element." name="assert">
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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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</head><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>
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<div>
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<div>
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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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</div>
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</div>
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</div>
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<template id="shadow-template">
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<div id="nested-shadow-host"><strong>Skip this test, nested shadow hosts are not supported.</strong></div>
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</template>
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<template id="nested-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 onfocus="this.classList.toggle('reftest-wait');" tabindex="1" id="focusme" class="reftest-wait"></div>
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</template>
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<script>
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var shadow = document.getElementById('shadow-host').createShadowRoot();
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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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window.setTimeout(function() {
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shadow = shadow.getElementById('nested-shadow-host').createShadowRoot();
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template = document.getElementById('nested-shadow-template');
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instance = document.importNode(template.content, true);
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shadow.appendChild(instance);
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}, 0);
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window.setTimeout(function() {
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var focusme = shadow.getElementById('focusme');
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focusme.focus();
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}, 0);
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</script>
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</body></html> |