5 Easy Steps To Master Currying and Higher-Order Functions in JavaScript

Improve the reusability and performance of JavaScript through functional programming

Image by the author.

Currying and higher-order functions represent the basics of functional programming. Because JavaScript directly supports them, they can turn your code into pure magic.

They can have a notable positive impact on the reusability and performance of your code through functional programming.

First-Class Functions

One of the functional programming features of JavaScript is based on the fact that functions are first-class citizens. That means functions can be passed or returned as values like strings or any other type.

These are some very basic examples demonstrating that functions are first-class citizens in JavaScript: