---
title: "Discussion on \"Async Code in Node.js: Callbacks and Promises\" | Hashnode"
description: "Discussion on \"Async Code in Node.js: Callbacks and Promises\". A clear guide explaining why Node.js is asynchronous, how callbacks work and fail, and how promises simplify async code with file-reading demos."
url: "https://hashnode.com/posts/async-code-in-node-js-callbacks-and-promises/69fcd81f9f93a850a400c479"
---

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# [Async Code in Node.js: Callbacks and Promises](https://nodejs-behind-the-scene.hashnode.dev/async-code-in-node-js-callbacks-and-promises?utm_source=hashnode&utm_medium=feed)

A clear guide explaining why Node.js is asynchronous, how callbacks work and fail, and how promises simplify async code with file-reading demos.

May 7 · 8 min read · nodejs-behind-the-scene.hashnode.dev  
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## Written by

[karan hingrajiya](https://hashnode.com/@karanHingrajiya)

@karanHingrajiya · India, Gujarat,surat

  
[View profile](https://hashnode.com/@karanHingrajiya)

Just a curious developer want to know every tech in depth.

Always post blogs that is beginner friendly and try to explain complex topic in easy way into my blog.

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