We'll define and write pure functions and also rewrite functions to be pure. Fancy word, right? You'll sometimes notice this word being thrown around. It might sound intimidating, but all it means is ...

The JavaScript method, Array.map(f) is a pure function in that it takes a function as a parameter. That last point about pure functions warrants further exploration. First-order functions vs. pure ...

We'll define and write pure functions and also rewrite functions to be pure. Fancy word, right? You'll sometimes notice this word being thrown around. It might sound intimidating, but all it means is ...