Nodejs Tutorial 18: Node.js Modules Explained | CommonJS, Exports & Require

Published: 16 February 2026
on channel: Code for Interview

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Want to organize your Node.js applications like a professional developer? 🚀

In this tutorial, you'll learn everything about Modules in Node.js and understand how to split your code into reusable files using CommonJS Modules.

You'll learn how require(), module.exports, and exports work behind the scenes, why modules are important, and how they help build scalable backend applications.

Whether you're preparing for Node.js interviews or building real-world backend projects, mastering modules is essential.

📚 Topics Covered

✅ What are Modules?
✅ CommonJS Modules
✅ require()
✅ module.exports
✅ exports
✅ Importing & Exporting Files
✅ Reusable Code
✅ Module Scope
✅ Best Practices
✅ Real-World Examples

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📕 Documentation / References

Node.js Modules Guide
https://nodejs.org/en/learn/modules/h...

Modules API Documentation
https://nodejs.org/docs/latest/api/mo...

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🔥 Hashtags

#nodejs #modules #commonjs #require #moduleexports #backenddevelopment #nodejstutorial #javascript #advancednodejs #coding #webdevelopment #developers #mernstack #backend #programming

🎯 SEO Keywords

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