mathJax stop working on Windows Phone 8.1

[sebastia...@gmail.com]

Hi,
I have an app that was using MathJax on Lumia 820 with Windows Phone 8.1. Everything was working great but after the last one update which I made to Windows Phone 8.1 Update 1, OS Version: 8.10.14234.375 MathJax stop working in my app. I checked that also when I run Internet Explorer on my Lumia 820 and go to https://www.mathjax.org/ page MathJax does not render equations. Please help. Thank you in advice.

Sebastian

[Peter Krautzberger]

Hi Sebastian,

Sorry for the late response. Is this problem persisting? We don't really have a way of testing specific devices but generally speaking Windows Phone should behave like the corresponding IE versions (so in the case of 8.1 like IE11).

Best regards,

Peter.

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[Sebastian Baran]

Hi Peter,
after your response I checked my wp8.1 phone internet explorer settings and find out that mathJax works when I choose desktop mode. In mobile version of IE MathJax does not work. I also repair my app by adding: "HTML-CSS": { availableFonts: ["TeX"] } in mathjax-config in my html and now everything displays properly in tex fonts. So for me everything is ok, can go further with my app:) I don't know if mathjax should work in mobile mode but for me it doesn't matter.

Moreover I want to thank you for the mathJax. I am working at University and I think that mathJax is cool stuff.

Best regards,
Sebastian

[Peter Krautzberger]

Hi Sebastian,

Thanks for the feedback. I'm not familiar enough with Windows Phone. Are you having this problem in an app (using a webview) or in the browser? Does "desktop/mobile mode" refer to apps or the browser and do both modes refer to a webview?

We would definitely want MathJax to work in any IE version so we really appreciate help identifying such a bug.

Best regards,

Peter.

[Sebastian Baran]

Hi Peter,
my app works now well. The problem is in IE. Desktop/mobile mode refer to the browser IE on windows phone.

When I choose desktop mode in IE I see sth like this:
https://onedrive.live.com/redir?resid=242020a03d9490a9!3071&authkey=!ABt_D1V54FO6Tpc&v=3&ithint=photo%2cpng
As you see everything is ok.

But when I choose mobile mode in IE I see sth like this:
https://onedrive.live.com/redir?resid=242020a03d9490a9!3072&authkey=!AIS9tcX5fZ2EZOs&v=3&ithint=photo%2cpng

As you can see the problem is connected with mobile mode in IE on Windows Phone.
Best regards
Sebastian

[Peter Krautzberger]

Hi Sebastian,

Thanks for those screenshots. They seem to indicate that on the "mobile version", MathJax is using its Native-MML output (which is strange).

In the "mobile" setting, are you able to manually change MathJax's renderer to HTML-CSS? (E.g., via the button in the "samples" popover).

Best regards,

Peter.

[Sebastian Baran]

Hi Peter,
I am very sorry that I did not answer but I did not have my phone till today.
This is what I see when I press view samples on mathjax.org website in "mobile version" in IE

https://onedrive.live.com/redir?resid=242020a03d9490a9!3141&authkey=!ALncGRQAt5otfWs&v=3&ithint=photo%2cpng
https://onedrive.live.com/redir?resid=242020a03d9490a9!3142&authkey=!AG_fSH8awIED9HU&v=3&ithint=photo%2cpng
https://onedrive.live.com/redir?resid=242020a03d9490a9!3143&authkey=!AIPBRlhx9NXRKh0&v=3&ithint=photo%2cpng

Please feel free to contact me again if I can help. In the future I try to answer faster;)
Best regards
Sebastian