Where to learn the modern stack for working with JavaScript?

Question

css

1) modern syntax
2) working with Babel
3) building modules
...
i.e. all these modern goodies

Answer 1

Additionally, you can play with it in styles.

Answer 2

Not a very correct approach. So you studied them, and then? It is silly to study the stack "just like that". Finds a task that requires you to study the stack. Study for the sake of study is counterproductive

Answer 3

1. es6-features.org here is the modern syntax. everything is very well shown.
2. what is there to master in beybel? read what it is first