Permanent application of the JS to exported Epubs

[Palloxin]

Describe your suggested feature

Instead of including the custom JS into the EPUB (and hope to find a good reader that supports it) apply permanently the changes that comes with the JS injection making the EPUB more compatible with epub readers that do not support JS.

Why

Few readers support JS, so just change permanently the text based on the custom JS injected so the EPUB will not have the JS in it.

Other details

It would make the js injection in epubs way more comfortable since it would make the epub file very compatible with epub readers.

Acknowledgements

• [X] I have searched the existing issues and this is a new ticket, NOT a duplicate or related to another open or closed issue.
• [X] I have written a short but informative title.
• [X] If this is an issue with a source, I should be opening an issue in the sources repository.
• [X] I have updated the app to version 1.1.14.
• [X] I will fill out all of the requested information in this form.

[rajarsheechatterjee]

I don't think this is possible as Custom JS is a part of a script tag in the HTML and uses DOM methods which cannot be applied outside of it.

[Svk1190]

Epub3 readers support Javascript, for example: Reasily, Lithium, PocketBook, Gitden Reader, Aldiko Next, Overdrive, Bluefire Reader, BookFusion, Infinity Reader, and possibly many more Android apps.