The Module War Finally Collapse: ESM vs CommonJS

📰 Medium · JavaScript

Learn the difference between ESM and CommonJS module systems in JavaScript and how to choose the right one for your project

intermediate Published 18 Jun 2026
Action Steps
  1. Compare the syntax of ESM and CommonJS using examples
  2. Run a simple ESM module using Node.js to see the difference in action
  3. Configure a project to use ESM instead of CommonJS and test the changes
  4. Build a small application using ESM to practice the new syntax
  5. Test the compatibility of ESM with different browsers and environments
Who Needs to Know This

JavaScript developers and engineers who work with Node.js and modern web applications will benefit from understanding the differences between ESM and CommonJS

Key Insight

💡 ESM is the modern and recommended module system for JavaScript, but CommonJS is still widely used in legacy codebases

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🚀 ESM vs CommonJS: which JavaScript module system should you use? 🤔

Key Takeaways

Learn the difference between ESM and CommonJS module systems in JavaScript and how to choose the right one for your project

Full Article

Title: The Module War Finally Collapse: ESM vs CommonJS

URL Source: https://medium.com/@mernstackdevbykevin/the-module-war-finally-collapse-esm-vs-commonjs-f3b31dc9c9c0?source=rss------javascript-5

Published Time: 2026-06-18T14:00:17Z

Markdown Content:
# ESM vs CommonJS in 2026: Which JavaScript Module System Should You Use? | Medium

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# The Module War Finally Collapse: ESM vs CommonJS

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**This ones for — if you still end up copy-pasting require() but with no idea why.**

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