How and where to learn advanced Javascript?

Question

I've finished the sololearn's Javascript tutorial and now I'm looking forward to explore more Javascript.

Answer 1

OOP, Prototypal Inheritance: https://mzl.la/2wpHSYy
Closures: https://mzl.la/17lRliK
Design Patterns: http://bit.ly/1OwAMCp

Once you have a good knowledge about all of them, you can start to see yourself as a professional Js developer, these are some of the most advanced Javascript topics and the resources are well explained, check them out.

Good luck. ;)

Answer 2

Watch Tutorials on YouTube here are recommendations:
1.The New Boston
2.The Coding Train

Answer 3

check the javatpoint website for all knowledge of programming language