ES6 bez tajemnic. Wprowadzenie

http://shebang.pl/artykuly/es6-bez-tajemnic-wprowadzenie/

Problems with promises

We have a problem with promises Promise Anti-patterns

This guy conquered 50 Ironmans in 50 days

https://www.redbull.com/int-en/the-iron-cowboy-did-50-marathons-in-50-states-in-50-day

Find your perfect bike route

More than 3.3 million bike paths. Discover the world’s largest cycle route collection

A JavaScript Curriculum for Active Learners

https://github.com/excellalabs/the-javascript-curriculum/blob/master/README.md

Mostly adequate guide to Functional Programming (in JavaScript)

https://github.com/MostlyAdequate/mostly-adequate-guide/blob/master/README.md

What is a functor?

https://medium.com/@dtinth/what-is-a-functor-dcf510b098b6

Master the JavaScript Interview

What is a Closure? What’s the Difference Between Class & Prototypal Inheritance? What is a Pure Function? What is Function Composition? What is Functional Programming? What is a Promise? Soft Skills

10 JavaScript concepts you need to know for interviews :D

https://codeburst.io/10-javascript-concepts-you-need-to-know-for-interviews-136df65ecce

Pure functions in JavaScript

http://www.nicoespeon.com/en/2015/01/pure-functions-javascript/