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Rendering lists of data is one of the most common tasks in any React app. React uses .map() to render

React handles form inputs differently than plain HTML.It uses something called controlled components, meaning: The input value is controlled by

🧠 Why Use These? React re-renders components whenever state or props change. But sometimes: That’s where these tools come in.

Can child component send data back to the parent?✅ The answer: You pass a function from the parent to the

useReducer is like useState, but it’s better when: ✅ Syntax – reducer = a function that receives current state +

In real-world apps, you often need to display a list of items — like users, products, tasks, etc. In React,

Sometimes, you want to show or hide parts of your UI depending on: React lets you do that easily using

✅ What is useRef? In React, useRef is a special hook that lets you: 1. Access and interact with DOM

✅ What is Context API? React Context API allows you to share data across components without passing props manually through

✅ What is “Lifting State Up”? When two or more sibling components need to share the same state, you should