Fastest path from beginner to Wix coder

Goal:

Build features for my site at a semi pro level

Question:

If the above was your goal, & you had to start from the beginning, what would your fastest way? I’d appreciate guidance from as many coders wrt;

what programming language/frameworks/courses/sites/apps/learning systems/processes to follow

Pls also consider futureproofing for Wix’s transitions to coding languages/frameworks

What have you already tried:

I’ve coded many features following tutorials, but as a non coder