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50 lines
1.1 KiB
HTML
50 lines
1.1 KiB
HTML
<!doctype html>
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<html>
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<head>
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<meta charset="utf-8">
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<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1740702">
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<link rel="match" href="../reference/ref-filled-green-100px-square-only.html">
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<style>
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#grid {
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display: grid;
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width: 100px;
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height: 90px;
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background: red;
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}
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#initiallyHidden {
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display: none;
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width: 100px;
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height: 100px;
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background: green;
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}
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</style>
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</head>
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<body>
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<p>Test passes if there is a filled green square.</p>
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<div id="grid">
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<div>
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<div>
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<div>
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<div id="initiallyHidden">
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</div>
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</div>
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</div>
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</div>
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</div>
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<script>
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"use strict";
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const grid = document.getElementById("grid");
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const initiallyHidden = document.getElementById("initiallyHidden");
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document.documentElement.offsetHeight; // Flush layout
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// Fails in buggy Firefox build because it prevents reflows from happening
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grid.style.paddingBottom = "10px";
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document.documentElement.offsetHeight; // Flush layout again
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initiallyHidden.style.display = "block"; // This should trigger a reflow.
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</script>
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</body>
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</html>
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