This document is an introduction to scripting (including JS) for AI that used to be available through adobe, but I can no longer find on the developer site:
After that, your best resource is the scripting reference, available in the downloads section of the developer site:
If you also need to learn non-Illustrator specific JS, there are numerous resources on the internet and I don't feel qualified to recommend any single one.
Thank you very much for your answer. My question was more about the specificity of the training. Front End - Back End. I have never done any code and I would like to be sure not to go in the wrong direction.
I'm not sure what you mean by specificity? Any basic JS training will be helpful if you are starting from scratch.
check this thread
..and this excellent youtube channel
Yes I know this guy. This is exactly what I want to learn to do!
Thanks a lot for the advice !!