20 lines
796 B
HTML
20 lines
796 B
HTML
<!DOCTYPE html>
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<link rel=author href="mailto:jarhar@chromium.org">
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<link rel=help href="https://html.spec.whatwg.org/#the-hidden-attribute">
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<link rel=helph href="https://issues.chromium.org/issues/402108887">
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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=target>div</div>
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<script>
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test(() => {
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const target = document.getElementById('target');
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target.setAttribute('hidden', 'UNTIL-FOUND');
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assert_equals(target.hidden, 'until-found');
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target.setAttribute('hidden', 'uNtIl-FoUnD');
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assert_equals(target.hidden, 'until-found');
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target.setAttribute('hidden', 'until-found');
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assert_equals(target.hidden, 'until-found');
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}, 'element.hidden should return "until-found" regardless of uppercase letters.');
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</script>
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