What Does Require Do in Js

The require() method is used to load and cache JavaScript modules. So, if you want to load a local, relative JavaScript module into a Node. js application, you can simply use the require() method.

Does node require JS?

Node. js follows the CommonJS module system, and the built-in require function is the easiest way to include modules that exist in separate files. The basic functionality of require is that it reads a JavaScript file, executes the file, and then proceeds to return the exports object.

What is require in react JS?

The require function is intended to add separate pieces of code (“modules”) to the current scope, a feature that was not part of the JavaScript/ECMAScript language until the ES2015 specification.