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