---
title: "Discussion on \"Single Responsibility Principle in JavaScript - Using Closure Functions (Not Just Classes!)\" | Hashnode"
description: "Discussion on \"Single Responsibility Principle in JavaScript - Using Closure Functions (Not Just Classes!)\". When developers talk about the Single Responsibility Principle (SRP), the conversation often revolves around classes - “Each class should have only one reason to change.”\nBut here’s the twist - you do"
url: "https://hashnode.com/posts/single-responsibility-principle-in-javascript-using-closure-functions-not-just-classes/689cdb531e132156c9a5c756"
---

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# [Single Responsibility Principle in JavaScript - Using Closure Functions (Not Just Classes!)](https://souravtechzone.com/single-responsibility-principle-in-javascript-using-closure-functions-not-just-classes?utm_source=hashnode&utm_medium=feed)

When developers talk about the Single Responsibility Principle (SRP), the conversation often revolves around classes - “Each class should have only one reason to change.” But here’s the twist - you do

Aug 13, 2025 · 3 min read · souravtechzone.com  
Updated Jul 1  
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-   [#javascript](https://hashnode.com/tag/javascript)
-   [#solid-principles](https://hashnode.com/tag/solid-principles)
-   [#functional-programming](https://hashnode.com/tag/functional-programming)
-   [#closures-in-javascript](https://hashnode.com/tag/closures-in-javascript)

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[SOURAV BERA](https://hashnode.com/@souravq)

@souravq

  
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Senior MERN Full Stack Developer

👋 Hey there! I'm Sourav Bera, a seasoned MERN (MongoDB, Express.js, React.js, Node.js) full-stack developer with over 3 years of hands-on experience in crafting robust and scalable web applications. 💻 I thrive on solving coding challenges and building elegant solutions to complex problems. Whether it's tackling algorithmic puzzles or optimizing performance, I'm always up for a coding adventure! 🌐 Beyond coding, I have a keen interest in Low-Level Design (LLD) and High-Level Design (HLD), where I enjoy architecting systems and crafting elegant solutions that scale. I'm passionate about database design and love crafting efficient data models that power applications seamlessly. 🚀 When I'm not immersed in code, you can find me exploring the latest trends in technology, honing my skills, or sharing insights and experiences with the developer community. Let's connect and embark on a journey of continuous learning and innovation together! https://www.linkedin.com/in/developersouravbera/

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