34 lines
1 KiB
HTML
34 lines
1 KiB
HTML
<!doctype HTML>
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<html>
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<meta charset="utf8">
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<title>Display Locking: focus on styled element</title>
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<link rel="author" title="Rakina Zata Amni" href="mailto:rakina@chromium.org">
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<link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility">
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<meta name="assert" content="focus does not target display-none but hidden elements">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<div id="container" style="content-visibility: auto">
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<div id="focusable1" tabIndex="0">
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focusable thing
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</div>
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<div id="displayNoneParent">
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<div id="focusable2" tabIndex="0">
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focusable thing
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</div>
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</div>
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</div>
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<script>
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test(() => {
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focusable1.style.display = "none";
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focusable1.focus();
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assert_not_equals(document.activeElement, focusable1);
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displayNoneParent.style.display = "none";
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focusable2.focus();
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assert_not_equals(document.activeElement, focusable2);
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}, "Trying to focus on an element in a hidden subtree with display none will not work");
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</script>
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</html>
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