React 19 Tutorial in Hindi #22 - React Lifecycle with useEffect

Publicado em: 25 Abril 2025
no canal de: Mohit Decodes

552

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In this video, you'll understand the React Lifecycle — the journey of a component from creation to destruction. We'll break down the three key phases: Mounting, Updating, and Unmounting, and explain how to handle each one using the powerful useEffect hook.

This is crucial for writing clean, optimized, and bug-free React code, especially when dealing with API calls, event listeners, or timers.

📌 Topics Covered:
What is React Component Lifecycle?
Mounting Phase – useEffect with empty dependency
Updating Phase – useEffect with dependency array [state]
Unmounting Phase – useEffect cleanup return
When & Where to Fetch API Data
When React Triggers Updates (props/state change)
Cleanup Tasks – Clear timers, cancel requests, remove listeners
Real-life examples & best practices

🛠️ Use Cases:
Fetching data on component load
Listening to window events
Timer-based updates
Cleaning up on component removal

📢 *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

📂 *Playlist Links:*
React 19 Tutorial (Hindi):[Watch Here](   • React 19 Tutorial in Hindi 2025 | Complete...  )
JavaScript Tutorial (Hindi):[Watch Here](   • JavaScript Tutorial for Beginners 2025 - L...  )
HTML & CSS Projects (Hindi): [Watch Here](   • Build Real-World Websites/Projects: HTML &...  )
HTML Full Course (Hindi): [Watch Here](   • HTML Full Course for Beginners [2025] 🌐 ||...  )
CSS Full Course (Hindi): [Watch Here](   • CSS Full Course for Beginners [2025]🌐 || b...  )
Git and GitHib Copilot (Hindi): [Watch Here](   • Git, GitHub & GitHub Copilot: Basics to AI...  )

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#React19 #ReactLifecycle #MohitDecodes #useEffectExplained #ReactHooks #ReactInHindi #ReactMounting #ReactUnmounting #WebDevelopment #FrontendTips

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