41 lines
1,000 B
HTML
41 lines
1,000 B
HTML
<!DOCTYPE html>
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<title>Scrolling to sticky position elements uses their unshifted position</title>
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<link rel="help" href="https://www.w3.org/TR/css-position-3/#stickypos-scroll" />
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<meta name="assert" content="This test checks that scrolling to sticky position elements uses their initial position" />
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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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h1 {
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position: sticky;
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background: #ddd;
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border: 1px solid black;
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top: 0px;
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bottom: 0px;
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}
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section {
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height: 100vh;
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}
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</style>
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<body>
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<h1>Title 1</h1>
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<section></section>
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<h1>Title 2</h1>
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<section></section>
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<h1>Title 3</h1>
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<section></section>
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<script>
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test(() => {
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window.scrollTo(0, 0);
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const element = document.querySelectorAll('h1')[2];
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element.scrollIntoView();
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assert_approx_equals(document.scrollingElement.scrollTop, element.offsetTop, 1);
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}, 'scrolling a sticky element into view should use its unshifted position');
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</script>
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</body>
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