React 19 Tutorial in Hindi #16 - Controlled Components in ReactJS

Publicado em: 16 Abril 2025
no canal de: Mohit Decodes

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React 19 Tutorial in Hindi || Mohit Decodes

In this video, you’ll understand what Controlled Components are in React and why they are important for building reliable and predictable forms. Controlled components are a key concept where React controls the input field value using state (useState). We will also cover onChange, single source of truth, and the benefits of controlled components in validation and debugging.

📌 Topics Covered:
1.What are Controlled Components in React?
2.React Controls Input Value via useState
3.How onChange Updates the Data
4.Single Source of Truth: React State
5.Real-Life Use Cases: Form Handling, Validation, Conditional Rendering
6.Advantages: Predictable, Easy Debugging

💡 Timestamps:
00:00 – Controlled vs Uncontrolled Components
02:10 – Form Input Field with useState
08:24 – How onChange Works?
10:05 – How onSubmit Work?
13:24 – Code Demo

📢 *Resources:*
👉 **NodeJS Download Link**: https://nodejs.org
👉 **VS Code Download Link**: https://code.visualstudio.com/
👉 **Vite Download Link**: https://vite.dev/guide/
👉 *Vite Online Playground- https://vite.new
👉 *React Documentation - https://react.dev
👉 **Github Code*-https://github.com/mohitdjcet/React-T...

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#React19 #ControlledComponents #ReactForms #ReactuseState #FormValidationReact #MohitDecodes #ReactTutorialHindi #ReactStateManagement #FrontendDevelopment #WebDevelopment #ControlledVsUncontrolled

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