33 lines
981 B
HTML
33 lines
981 B
HTML
<!doctype html>
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<title>CSS test: movement of absolute-position ancestor correctly moves fixed-position descendant depending on the static position</title>
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<link rel="help" href="https://drafts.csswg.org/css-position/#size-and-position-details">
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<link rel="match" href="hypothetical-dynamic-change-001-ref.html">
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<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
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<link rel="author" href="https://mozilla.org" title="Mozilla">
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<style>
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.ancestor, .child {
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width: 100px;
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height: 100px;
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background-color: green;
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}
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.child {
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position: fixed;
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/* NOTE: child remains auto-positioned */
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}
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.ancestor {
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position: absolute;
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left: 0;
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top: 0;
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background-color: red;
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}
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</style>
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<div class="ancestor">
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<div class="child"></div>
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</div>
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<script>
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onload = function() {
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let ancestor = document.querySelector(".ancestor");
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window.unused = ancestor.getBoundingClientRect();
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ancestor.style.left = "100px";
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}
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</script>
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