CourseGenix

Built-in React Hooks

5 Units25 Lessons

Unit 1

State Hooks

Real-World Project: Building a Counter Application

Introduction to useState Hook

Basic Usage of useState

Updating State with useState

Handling Complex State with useState

Unit 2

Effect Hooks

Introduction to useEffect Hook

Managing Dependencies in useEffect

Fetching Data with useEffect

Running Effects on Component Updates

Real-World Project: Creating a Timer Application

Unit 3

Ref Hooks

Basics of useRef Hook

Using useRef for DOM Access

Persisting Values with useRef

Forwarding Refs in React

Real-World Project: Implementing Focus Management

Unit 4

Context Hooks

Creating Context Providers

Consuming Context in Nested Components

Real-World Project: Building a Theme Switcher

Using useContext Hook

Understanding React Context

Unit 5

Performance Hooks

Using useCallback for Function Memoization

Preventing Unnecessary Re-renders

Introduction to useMemo Hook

Real-World Project: Optimizing a List Rendering Component

Memoizing Expensive Calculations

Unit 4•Chapter 3

Real-World Project: Building a Theme Switcher

Summary

No summary available for this chapter.

Concept Check

0/1

In React theme switcher, how does the toggle function determine the theme?

With document.getElementById method

Via CSS class additions only

Using window.location properties

By checking event.target.checked value

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