When I started learning about functions in JavaScript, I realized that they are one of the most important and fundamental elements of the language. Functions allow me to structure my code, avoid ...

‘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” ...

These exercises are intended to be built by collaboration, we need you! If you find any bugs or misspells please contribute and report them. You can open these exercises in just a few seconds by ...