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51 lines
1.1 KiB
HTML
51 lines
1.1 KiB
HTML
<!DOCTYPE html>
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<html class="reftest-wait">
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<head>
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<title>Test that subtree layout with nested overflow preserves scroll anchoring.</title>
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<link rel="author" title="Chris Harrelson" href="mailto:chrishtr@chromium.org">
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<link rel="help" href="https://drafts.csswg.org/css-scroll-anchoring/">
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<link rel="match" href="nested-overflow-subtree-layout-ref.html">
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<script src="/common/reftest-wait.js"></script>
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</head>
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<style>
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#outer {
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overflow: hidden;
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width: 500px;
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height: 500px;
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}
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#inner {
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overflow: auto;
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position: relative;
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width: 500px;
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height: 2000px;
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}
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p {
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font: 48pt monospace;
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}
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</style>
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</head>
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<body>
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<div id="outer">
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<div id="inner">
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<p>Anchor</p>
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</div>
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</div>
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<script>
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const outer = document.querySelector("#outer");
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const inner = document.querySelector("#inner");
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onload = () => {
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requestAnimationFrame(() => {
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requestAnimationFrame(() => {
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outer.scrollTo(0, 70);
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requestAnimationFrame(() => {
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const elem = document.createElement("p");
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elem.textContent = "FAIL";
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inner.insertBefore(elem, inner.firstChild);
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takeScreenshot();
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});
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});
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});
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};
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</script>
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