---
title: "Discussion on \"Callbacks in JavaScript: Why They Exist\" | Hashnode"
description: "Discussion on \"Callbacks in JavaScript: Why They Exist\". What a callback function is\nA callback function is a function passed as an argument into another function, intended to be executed (\"called back\") later—either immediately after a synchronous task or"
url: "https://hashnode.com/posts/callbacks-in-javascript-why-they-exist/69c1833e30a9b81e3a8c5420"
---

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# [Callbacks in JavaScript: Why They Exist](https://hitakshi.hashnode.dev/callbacks-in-javascript-why-they-exist?utm_source=hashnode&utm_medium=feed)

What a callback function is A callback function is a function passed as an argument into another function, intended to be executed ("called back") later—either immediately after a synchronous task or

Mar 23 · 8 min read · hitakshi.hashnode.dev  
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-   [#callback-functions](https://hashnode.com/tag/callback-functions)
-   [#callback](https://hashnode.com/tag/callback)
-   [#callback-in-js](https://hashnode.com/tag/callback-in-js)
-   [#chaicode](https://hashnode.com/tag/chaicode)

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