React Course

Overview

Learning Objectives

This course is designed for beginners who want to learn React, a JavaScript library for building user interfaces. Students will learn the core concepts of React, including components, state, props, and hooks, and how to build interactive and dynamic web applications.

Prerequisites

Basic knowledge of HTML, CSS, and JavaScript

Familiarity with JavaScript ES6+ features (e.g., arrow functions, destructuring, spread/rest operators)

Course Outline

Module 1. Introduction to React

What is React?

Overview of React

React vs. other front-end frameworks

Setting up a React development environment

Creating the first React app using create-react-app

Basic Concepts:

JSX (JavaScript XML)

React Components (Function and Class-based)

Rendering Components

Module 2. Working with Components

Component Basics:

Understanding components

Props: Passing data to components

Component composition: Nesting components

State in Components:

What is state?

Setting and updating state

Functional vs. Class components with state

Module 3. Event Handling & Conditional Rendering

Event Handling:

Handling user input (click, change, submit events)

Binding event handlers

Conditional Rendering:

Rendering elements conditionally

Using if statements, ternary operators in JSX

Module 4. Lists and Keys

Rendering Lists:

Using map() to render lists

The importance of keys in lists

Key best practices

Forms in React:

Controlled components

Handling form inputs and submissions

Module 5. Component Lifecycle (Class Components)

Introduction to Lifecycle Methods:

Understanding lifecycle methods in class components

Common lifecycle methods: componentDidMount(), componentDidUpdate(), componentWillUnmount()

Use of Lifecycle for Fetching Data:

Fetching data from an API

Setting state with data from API calls

Module 6.React Hooks (Function Components)

Introduction to React Hooks:

What are Hooks and why they are useful?

useState hook: Managing state in function components

useEffect hook: Handling side-effects

Other Common Hooks:

useContext for managing global state

useReducer for advanced state management

...

Module 7. Context API and Global State Management

Introduction to Context API:

What is context?

Creating a context and providing values

Consuming context values in child components

Global State with Context:

Managing global state using Context API

Advantages and limitations of Context API

Module 8. React Router

Introduction to React Router:

What is React Router?

Setting up React Router

Creating and navigating between pages with BrowserRouter, Route, and Link

Nested Routes and URL Parameters:

Working with nested routes

Using dynamic URL parameters for routing

Module 9. Handling Side Effects and Async Operations

Fetching Data in React:

Using useEffect with async functions

Managing loading, success, and error states

Error Boundaries:

Understanding error boundaries in React

Handling errors in components

Module 10. Performance Optimization and Best Practices

Optimizing React Performance:

React.memo for functional components

useCallback, useMemo for performance optimization

Code Splitting and Lazy Loading:

Dynamic imports and lazy loading with React.lazy()

Code splitting for better performance

Module 11. Testing in React

Introduction to Testing in React:

What is testing and why is it important?

Tools for testing React applications (Jest, React Testing Library)

Unit and Integration Tests:

Writing tests for React components

Simulating user interactions

Module 12. Project Work and Wrap-up

Building a Final Project:

Designing and building a full-fledged React application

Incorporating React Router, Hooks, and State management

Best Practices and Deployment:

Code best practices

Deploying a React app (using Netlify, Vercel, or GitHub Pages)

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