JavaScript and Functional Programming: A Dive into Pure Functions, Currying, and Functional Composition

Have you ever felt the thrill of discovering a new way to approach problems in your coding journey? Or the satisfaction of writing code that’s not just functional, but also elegant and efficient? If you’re nodding along, or even if you’re just curious, you’re in for a treat. Today, we’re embarking on a delightful exploration into the realm of functional programming in JavaScript.

Whether you’re a seasoned developer or a curious newbie, this guide on pure functions, currying, and functional composition promises to sprinkle a touch of magic on your JavaScript endeavors. So, grab your favorite beverage, get comfy, and let’s dive deep into the mesmerizing world of functional programming!

What is Functional Programming?

Functional Programming (FP) is like giving someone a set of instructions to follow, step by step, without any distractions or deviations.

Imagine you have a toy robot. You give it a set of commands like “move forward”, “turn left”, or “pick up”. Every time you give it the same command, it does the exact same thing. It doesn’t suddenly decide to dance or sing; it just follows your instructions precisely.