31 lines
821 B
HTML
31 lines
821 B
HTML
<!DOCTYPE html>
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<title>position:sticky should operate correctly for the root scroller</title>
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<link rel="help" href="https://www.w3.org/TR/css-position-3/#sticky-pos" />
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<meta name="assert" content="This test checks that position:sticky elements work when using the root (document) scroller" />
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<style>
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body {
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/* Assumption: 3000px is taller than any user agents test window size. */
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height: 3000px;
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}
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#sticky {
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position: sticky;
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top: 50px;
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width: 200px;
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height: 200px;
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background-color: green;
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}
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</style>
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<div id="sticky"></div>
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<script>
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test(() => {
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window.scrollTo(0, 700);
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assert_equals(sticky.offsetTop, 700 + 50);
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}, 'Sticky elements work with the root (document) scroller');
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</script>
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