---
title: "Discussion on \"All about useCallback()\" | Hashnode"
description: "Discussion on \"All about useCallback()\". Before talking about use callback hook we need to talk extensively about the functions in javascript.\nFunctions in JavaScript are first-class functions meaning that a function is a regular object.\n\nThe Object can be passed to function as a parameter...."
url: "https://hashnode.com/posts/all-about-usecallback/614c4e59c790e72dddca7bcc"
---

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# [All about useCallback()](https://piyushsingh.hashnode.dev/all-about-usecallback?utm_source=hashnode&utm_medium=feed)

Before talking about use callback hook we need to talk extensively about the functions in javascript. Functions in JavaScript are first-class functions meaning that a function is a regular object. The Object can be passed to function as a parameter....

Sep 23, 2021 · 4 min read · piyushsingh.hashnode.dev  
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[Piyush Singh](https://hashnode.com/@PiyushSingh)

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