‘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 ...

JavaScript is a flexible language, allowing for all sorts of styles and programming paradigms. Although this breadth sometimes comes at a cost to readability or consistency across a code base, it also ...