32 lines
1.2 KiB
JavaScript
32 lines
1.2 KiB
JavaScript
// ==UserScript==
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// @name MathJax in Wikipedia
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// @namespace http://www.mathjax.org/
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// @description Insert MathJax into Wikipedia pages
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// @include http://en.wikipedia.org/wiki/*
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// ==/UserScript==
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if ((window.unsafeWindow == null ? window : unsafeWindow).MathJax == null) {
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//
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// Replace the images with MathJax scripts of type math/tex
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//
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var images = document.getElementsByTagName('img'), count = 0;
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for (var i = images.length - 1; i >= 0; i--) {
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var img = images[i];
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if (img.className === "tex") {
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var script = document.createElement("script"); script.type = "math/tex";
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if (window.opera) {script.innerHTML = img.alt} else {script.text = img.alt}
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img.parentNode.replaceChild(script,img); count++;
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}
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}
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if (count) {
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//
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// Load MathJax and have it process the page
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//
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var script = document.createElement("script");
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script.src = "http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML-full";
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var config = 'MathJax.Hub.Startup.onload()';
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if (window.opera) {script.innerHTML = config} else {script.text = config}
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document.getElementsByTagName("head")[0].appendChild(script);
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}
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}
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