---
title: "Discussion on \"Async Code in Node.js: Callbacks and Promises\" | Hashnode"
description: "Discussion on \"Async Code in Node.js: Callbacks and Promises\". Why async code exists in Node.js\nAsynchronous code exists in Node.js primarily to enable high-performance, scalable applications on a single-threaded runtime. Because Node.js executes JavaScript on a"
url: "https://hashnode.com/posts/async-code-in-node-js-callbacks-and-promises/69ef9755330a1ad7f705ba28"
---

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# [Async Code in Node.js: Callbacks and Promises](https://hitakshi120.hashnode.dev/async-code-in-node-js-callbacks-and-promises?utm_source=hashnode&utm_medium=feed)

Why async code exists in Node.js Asynchronous code exists in Node.js primarily to enable high-performance, scalable applications on a single-threaded runtime. Because Node.js executes JavaScript on a

Apr 27 · 8 min read · hitakshi120.hashnode.dev  
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