55 lines
2 KiB
HTML
55 lines
2 KiB
HTML
<!DOCTYPE html>
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<html class="reftest-wait">
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<head>
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<title>displaystyle</title>
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<meta charset="utf-8">
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<link rel="help" href="https://w3c.github.io/mathml-core/#the-displaystyle-and-scriptlevel-attributes">
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<link rel="help" href="https://w3c.github.io/mathml-core/#style-change-mstyle">
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<link rel="help" href="https://w3c.github.io/mathml-core/#underscripts-and-overscripts-munder-mover-munderover">
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<link rel="help" href="https://w3c.github.io/mathml-core/#operator-fence-separator-or-accent-mo">
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<link rel="help" href="https://w3c.github.io/mathml-core/#legacy-mathml-style-attributes">
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<link rel="help" href="https://w3c.github.io/mathml-core/#fractions-mfrac">
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<link rel="match" href="displaystyle-014-ref.html"/>
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<meta name="assert" content="Test dynamic change of mathbackground on an operator does not interfer with its displaystyle">
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<script src="/mathml/support/fonts.js"></script>
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<script type="text/javascript">
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function doTest() {
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document.body.offsetTop; // Update layout
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document.getElementById('mathOperator').
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setAttribute('mathbackground', 'red');
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document.documentElement.removeAttribute("class");
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}
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window.addEventListener("load", () => { loadAllFonts().then(doTest); });
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</script>
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<link rel="stylesheet" href="/fonts/ahem.css">
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<style>
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math {
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font: 25px Ahem;
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}
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</style>
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</head>
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<body>
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<!-- See https://bugzilla.mozilla.org/show_bug.cgi?id=832800 -->
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<math>
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<mstyle displaystyle="true">
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<mfrac>
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<mrow>
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<mn>X</mn>
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<mo id="mathOperator">+</mo>
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<mfrac>
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<mrow><mn>X</mn></mrow>
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<mrow><mn>X</mn></mrow>
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</mfrac>
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</mrow>
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<mrow>
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<mn>X</mn>
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</mrow>
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</mfrac>
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</mstyle>
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</math>
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<script src="/mathml/support/feature-detection.js"></script>
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<script>MathMLFeatureDetection.ensure_for_match_reftest("has_mfrac");</script>
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</body>
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</html>
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