I will try to give basic answers to challenges on Codewars with comments on why/what is that in code. All solutions are based on javascript syntax.
Those solutions are based on what I learnt from resources below:
Javascript & jQuery
by Jon Duckett - It is really good as first book, which introduce a lot of topics and cool techniques.JavaScript: Understanding the Weird Parts
on Udemy Online Courses - pure masterpiece if You want to know ins and outs of javascript.www.javascript30.com
- 30 practical projects based on pure javascript (with ES6).Eloquent Javascript
by Marijn Haverbeke - currently taking shot on this. Fourth chapter and already learnt much.