React useEffect Explained Step-By-Step | Side Effects in React | MERN Stack Live Training Day 28

Описание: Welcome to MERN Stack Live Training – Day 28!
In today’s session, we will learn one of the most important React Hooks — useEffect — from basics to advanced concepts.

Today’s Focus → useEffect Hook (Complete Breakdown)
You will understand how React handles side effects and how useEffect replaces lifecycle methods like componentDidMount, componentDidUpdate & componentWillUnmount.

🎯 What We Will Cover Today (Day 28)

🔹 What is useEffect?
🔹 Why do we need useEffect in React?
🔹 useEffect without dependency array
🔹 useEffect with empty dependency array
🔹 useEffect with dependency values
🔹 Cleanup function (very important)
🔹 API calls using useEffect
🔹 Timers, intervals, and event listeners
🔹 Common mistakes developers make
🔹 Real-world useEffect examples
🔹 Mini projects using useEffect
🔹 Top interview questions for useEffect
📅 React Start Date: 24 November

📌 Live Daily on YouTube
📌 Beginner-friendly + Industry-focused
📌 Includes MERN + AI Tools + Real Projects

👨‍💻 Full MERN Training Roadmap
🔵 Frontend

HTML, CSS, JavaScript

DOM Manipulation

ES6+ Concepts

React.js (Components, Props, Hooks, Routing, State Management)

🟢 Backend

Node.js + Express.js

MongoDB + Mongoose

REST APIs

Authentication & Authorization

Real-world full-stack applications

⭐ Additional Benefits

Live coding sessions

Daily assignments

Interview preparation

Real industry patterns & best practices

AI tools + automation for developers

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Become a Job-Ready MERN Stack Developer with this training! 🚀