---
title: "Discussion on \"UseCallback a powerful hook in React.\" | Hashnode"
description: "Discussion on \"UseCallback a powerful hook in React.\". Why useCallback?\nReact’s useCallback hook improves the performance of components in the application by re-rendering them only when a specific value changes. It enhances the optimization of the application by doing so.\nFirst let understand what this r..."
url: "https://hashnode.com/posts/usecallback-a-powerful-hook-in-react/67481f949ba51cacd7a1c7af"
---

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# [UseCallback a powerful hook in React.](https://prashant-codes.hashnode.dev/usecallback-a-powerful-hook-in-react?utm_source=hashnode&utm_medium=feed)

Why useCallback? React’s useCallback hook improves the performance of components in the application by re-rendering them only when a specific value changes. It enhances the optimization of the application by doing so. First let understand what this r...

Nov 28, 2024 · 2 min read · prashant-codes.hashnode.dev  
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-   [#reactjs](https://hashnode.com/tag/reactjs)
-   [#usecallback](https://hashnode.com/tag/usecallback)

## Written by

[PRASHANT MISHRA](https://hashnode.com/@prashant10232)

@prashant10232

  
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"I’m currently a web development programmer focused on honing my skills."

## Responses 1

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[Sanjana Pandey](https://hashnode.com/@SanjanaP22)

[Jan 29, 2025](https://hashnode.com/posts/usecallback-a-powerful-hook-in-react/67481f949ba51cacd7a1c7af/comment/6799cbb3197ba8c952466ab1)

Bhut accha likha h mere saare doubts clear hogye❤️