How to insert javascript to enable MathJax on GitHub wiki pages?

Question

The GitHub wiki pages no longer support MathJax. It seems like the dotjs Chrome extension might be a way to enable MathJax on these pages.

Here is my first attempt at creating javascript that would execute on github.com pages, and insert the right code needed to enable MathJax:

[~]$ cat .js/github.com.js
(function () {
  var script = document.createElement("script");
  script.type = "text/javascript";
  script.src = "https://c328740.ssl.cf1.rackcdn.com/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML";
  document.getElementsByTagName("head")[0].appendChild(script);
 })();

This doesn't work, however, and the following error appears in the Chrome JavaScript Console:

Uncaught EvalError: Refused to evaluate a string as JavaScript because 'unsafe-eval' is not an allowed source of script in the following Content Security Policy directive: "script-src 'self'
https://github.com https://a248.e.akamai.net https://jobs.github.com https://ssl.google-analytics.com https://secure.gaug.es https://collector.githubapp.com https://gist.github.com".
    c328740.ssl.cf1.rackcdn.com/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML:29

What is the correct JavaScript?

Now you know _why_ GitHub no longer supports MathJax. MathJax doesn't work with CSP. https://github.com/blog/1477-content-security-policy — SLaks, Jun 03 '13 at 02:52
Does this mean that I can't do what I want unless MathJax becomes compatible with CSP? — Michael, Jun 03 '13 at 16:28

score 0 · Answer 1 · answered Jun 04 '14 at 03:36

0

I think the problem is in the source code of MathJax because it uses the eval function there

answered Jun 04 '14 at 03:36

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How to insert javascript to enable MathJax on GitHub wiki pages?

1 Answers1