How can I be fullstack developer

Question

I need your help

Answer 1

https://code.sololearn.com/W5HVA2qvQ434/?ref=app
https://code.sololearn.com/W1VQJnXY21YV/?ref=app

Answer 2

Someone shared this on another post.

https://roadmap.sh/
It draws out a pretty neat road map for frontend and backend languages. As well as other