For example, using closures along with higher-order functions used to be the only way we could have “private” or tamper-proof variables in JavaScript: let protectedObject = (function() { ...

This tutorial explains what is different and special about a functional programmer's approach, and demonstrates how to implement JavaScript functions from a functional programming point of view. It ...

Functions are fundamental to code organization; they exist in all higher order programming languages. Generally, functional programming means using functions to the best effect for creating clean ...