Unified · Split
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| 1 | +/* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 | + * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 | + * file, You can obtain one at http://mozilla.org/MPL/2.0/. | |
| 4 | + * Adapted from: https://github.com/fred-wang/mathml.css */ | |
| 5 | +/*jslint browser: true*/ | |
| 6 | + | |
| 7 | +(function () { | |
| 8 | + "use strict"; | |
| 9 | + window.addEventListener("load", function () { | |
| 10 | + var box, div, link, namespaceURI; | |
| 11 | + // First check whether the page contains any <math> element. | |
| 12 | + namespaceURI = "http://www.w3.org/1998/Math/MathML"; | |
| 13 | + // Create a div to test mspace, using Kuma's "offscreen" CSS | |
| 14 | + document.body.insertAdjacentHTML("afterbegin", "<div style='border: 0; clip: rect(0 0 0 0); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px;'><math xmlns='" + namespaceURI + "'><mspace height='23px' width='77px'></mspace></math></div>"); | |
| 15 | + div = document.body.firstChild; | |
| 16 | + box = div.firstChild.firstChild.getBoundingClientRect(); | |
| 17 | + document.body.removeChild(div); | |
| 18 | + if (Math.abs(box.height - 23) > 1 || Math.abs(box.width - 77) > 1) { | |
| 19 | + // Insert the mathml.css stylesheet. | |
| 20 | + link = document.createElement("link"); | |
| 21 | + link.href = "http://fred-wang.github.io/mathml.css/mathml.css"; | |
| 22 | + link.rel = "stylesheet"; | |
| 23 | + document.head.appendChild(link); | |
| 24 | + } | |
| 25 | + }); | |
| 26 | +}()); | |