I think it is best to start from the basics but you just have to find a "basics" book that is not aimed at beginners. Let's say you come from any OOP language a

I think it is best to start from the basics but you just have to find a "basics" book that is not aimed at beginners. Let's say you come from any OOP language and read up on JavaScript - you might just skip the chapter on Functions because heck - I know what function are. But you would miss out a lot of the interesting aspects of the language. See https://eloquentjavascript.net/05_higher_order.html https://eloquentjavascript.net/05_higher_order.html