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$ curl repovive.com/roadmaps/javascript/modules-imports/commonjs-modules

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$ curl repovive.com/roadmaps/javascript/modules-imports/commonjs-modules

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CommonJS Modules - Modules & Imports | JavaScript | Repovive

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JavaScript22 sections · 783 units18h total

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CommonJS Modules

Node.js's original module system

CommonJS (CJS) is Node.js's original module system. You'll encounter it in older code.

// Exporting
module.exports = { add, subtract };
// or
exports.add = add;

// Importing
const { add } = require("./math");

CJS is synchronous and mainly used server-side.