React: Quiz, Questions, Mock Test

React: Quiz, Questions, Mock Test

Course Content

🚀 Introduction to React

🔷 What is React?

  • Features of React ⚡

  • React vs Angular vs Vue 🏆

  • History & Evolution of React 📜

  • Setting Up a React Project 🛠️

    npx create-react-app my-app
    cd my-app
    npm start
  • React Folder Structure 📂

🟢 JSX (JavaScript XML)

  • What is JSX? 📝

  • JSX vs JavaScript ⚖️

  • Embedding Expressions in JSX 💡

  • JSX with Conditionals & Loops 🔄

  • Using Fragments (<> ) 🧩

🎨 Components in React

  • Functional Components 🎭

  • Class Components 🏛️

  • Component Lifecycle (Class Components) ⏳

  • Stateless vs Stateful Components ⚙️

  • Creating & Using Components 🏗️

  • Props (Passing & Receiving Data) 🔄

  • Default Props 📌

  • Children Prop (props.children) 👶

🎛️ State & Events in React

  • Understanding React State 📊

  • Setting State with useState 🔧

  • Handling Events (onClick, onChange) 🎬

  • Event Binding in Class Components 🔗

  • Updating State in React 🔄

  • Conditional Rendering (&&, ternary operator) 🔀

  • Forms & Controlled Components ✍️

  • Uncontrolled Components (useRef) 📡

  • Handling User Input 🎤

⚡ React Hooks

  • Introduction to Hooks 🎣

  • useState Hook (State Management) 🔄

  • useEffect Hook (Side Effects) 🔄

  • useContext Hook (Context API) 🔄

  • useRef Hook (DOM Manipulation) 🕵️‍♂️

  • useMemo Hook (Performance Optimization) 🚀

  • useCallback Hook (Prevent Re-renders) 🎯

  • useReducer Hook (Alternative to useState) 🔧

  • Custom Hooks (Creating Reusable Hooks) 🛠️

🔑 Handling Lists & Keys

  • Rendering Lists in React 📜

  • Using map() to Render Data 🗺️

  • The Importance of key Prop 🏷️

  • Sorting & Filtering Lists 🔍

🔀 Conditional Rendering

  • Using if-else ❓

  • Using ternary operator ➖➕

  • Using && for short-circuit evaluation ⚡

  • Conditional Rendering with Components 🏗️

🌍 React Context API

  • What is Context API? 🏗️

  • Creating Context 🎨

  • Providing Context () 📦

  • Consuming Context (useContext) 🍽️

  • Context API vs Prop Drilling 🏹

  • Global State Management with Context API 🔧

🛣️ React Router (Navigation)

  • Setting Up React Router 🚏

    npm install react-router-dom
  • BrowserRouter, Routes, Route 🛤️

  • Link & NavLink 🔗

  • Dynamic Routes & Route Parameters 🚦

  • Nested Routes 🔄

  • Programmatic Navigation (useNavigate) 🧭

  • Redirects & Private Routes 🔒

🏛️ State Management in React

  • State Management Options in React 📊

  • Using Local State (useState) 📌

  • Context API for State Management 🏗️

  • Redux 🏛️:

    • What is Redux? 🎯

    • Redux Store, Actions & Reducers 🏗️

    • Using useDispatch & useSelector 🔄

    • Redux Middleware (Redux Thunk, Redux Saga) 🔁

    • Connecting Redux with React 🔗

  • Recoil (Alternative to Redux) 🌀

  • Zustand (Lightweight State Management) 🌊

✅ Forms & Form Validation

  • Handling Forms in React 📝

  • Controlled vs Uncontrolled Components 🛠️

  • Form Validation with useState ✅

  • Form Libraries:

    • Formik 📄

    • React Hook Form 📝

    • Yup for Validation ✔️

🚀 React Performance Optimization

  • Memoization with React.memo 🎭

  • Using useCallback & useMemo 🎯

  • Virtualized Lists with react-window 📜

  • Lazy Loading & Code Splitting 💤

  • Profiling Performance with React DevTools 🔍

🔗 Working with APIs

  • Fetching Data with fetch() 🌐

  • Fetching Data with axios 🔄

  • Handling API Errors 🚨

  • Using useEffect for API Calls 🔁

  • Implementing Pagination 📜

  • Infinite Scrolling 🔄

🎬 React Animations

  • Using CSS Animations 🎨

  • Using react-transition-group 🔄

  • Using framer-motion for Animations 🎭

🔍 React Testing

  • Introduction to React Testing 🛠️

  • Unit Testing with Jest 🔬

  • Component Testing with React Testing Library 📦

  • Mocking API Calls 🎭

  • End-to-End Testing with Cypress 🌐

💡 React & TypeScript

  • What is TypeScript? 🤔

  • Setting Up TypeScript with React 🔨

  • Using TypeScript in Components 🏗️

  • Defining Props & State with TypeScript 🔧

  • Using Interfaces & Types 📜

🖥️ Server-Side Rendering (SSR) with Next.js

  • What is Next.js? ⚡

  • Setting Up a Next.js Project 🏗️

  • Pages & Routing in Next.js 📄

  • Static Site Generation (SSG) 📜

  • Server-Side Rendering (SSR) 🏛️

  • API Routes in Next.js 🌐

📱 Progressive Web Apps (PWA) in React

  • What is a PWA? 🌍

  • Adding PWA Features to a React App 📦

  • Service Workers & Offline Support 🌐

🚀 Deploying a React App

  • Building a React App for Production 🔧

    npm run build
  • Deploying on Netlify, Vercel, or Firebase 🌍

  • Deploying to GitHub Pages 📦

  • Server-Side Deployment with Nginx & Docker 🐳

📌 Sorting Example in React

Sorting an Array of Names Alphabetically in a React Component 📜

import React, { useState } from "react";

const SortExample = () => {
  const [names, setNames] = useState(["Charlie", "Alice", "Bob", "David"]);

  const sortNames = () => {
    setNames([...names].sort());
  };

  return (
    
    {names.map((name, index) => (
  • {name}
  • ))}
); }; export default SortExample;