These exercises are intent to be built by collaboration, we need you! If you find any bugs or misspells please contribute and report them. Install learnpack, the ...

Functional programming, as the name implies, is about functions. While functions are part of just about every programming paradigm, including JavaScript, a functional programmer has unique ...

‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful! Last week, I casually dropped the term “higher-order function” ...

* – the previous version is published in Russian, need to backport/translate the new one from English. If you'd like to translate it into your language, please ...