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The Road to React: The One with Class Components
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Gain insights into V15 React fundamentals, API work, code organization, testing, and state management. Discover hands-on skills by building a Hacker News App for your portfolio.

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Overview

Content

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If you’re working with a legacy React codebase, then this course will prove useful. React has seen a great deal of change over the years, but there might be situations where you have to work with an older version. In this course, you will learn the fundamentals of V15 React. You will learn how to work with an API, how to organize and test your code as well as how to give your React app state. Throughout this course, you will have hands-on experience building a fully functional Hacker News App. By the end of this course, you will be prepared to build your own applications and have something to showcase in your portfolio. If you’re looking for the updated version of this course featuring V16, please visit The Road to React: The one with Hooks.

If you’re working with a legacy React codebase, then this course will prove useful. React has seen a great deal of change over t...Show More

Content

62 Lessons8 Quizzes

Introduction

4 Lessons

Get familiar with React fundamentals, practical application, ES6 transition, and hands-on projects.

Foreword

Testimonials

FAQ

How to do it?

Intro to React and some JavaScript Basics

6 Lessons

Look at React, JavaScript basics like ES6 features, and create-react-app setup.

Complex JavaScript in JSX

An Introduction to the create-react-app

Basics in React

14 Lessons

Examine core React concepts like local state, events, unidirectional data flow, and component composition.

Local Component State

ES6 Object Initializer

Unidirectional Data Flow

Bindings

Event Handler

Interactions with Forms and Events

ES6 Destructuring

Controlled Components

Split Up Components

Composable Components

Reusable Components

Component Declarations

Styling Components

Recap

Getting Real with an API

10 Lessons

Grasp the fundamentals of React APIs, lifecycle methods, data fetching, conditional rendering, and error handling.

Lifecycle Methods

Fetching Data

ES6 Spread Operators

Conditional Rendering

Client- or Server-side Search

Paginated Fetch

Client Cache

Error Handling

Axios instead of Fetch

Recap

Code Organization and Testing

7 Lessons

Take a closer look at organizing code, testing with Jest and Enzyme, and debugging.

ES6 Modules: Import and Export

Code Organization with ES6 Modules

Snapshot Tests with Jest

Unit Tests with Enzyme

Component Interface with PropTypes

Debugging with React Developer Tools

Recap

Advanced React Components

6 Lessons

Focus on advanced techniques in React, including ref attributes, HOCs, and advanced sorting.

Ref a DOM Element

Loading …

Higher-Order Components

Advanced Sorting

Advanced Sorting: implementing reverse sort

Recap

State Management in React and beyond

4 Lessons

Build on effective state management techniques in React, including lifting state and using setState().

Lifting State

Revisited: setState()

Taming the State

Recap

Final Steps to Production

2 Lessons

Step through customizing configurations and deploying your React app to Heroku.

Eject

Deploy your App

Appendix: Bootstrapping your React App

9 Lessons

Walk through bootstrapping a React app, managing dependencies, using JSX, and optimizing development.

Requirements

npm and node (Optional)

Installation

Zero-Configuration Setup

Introduction to JSX

ReactDOM

Hot Module Replacement

Recap

Outline

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

Course Author:

Robin Wieruch

Developed by MAANG Engineers

Every Educative resource is designed by our team of ex-MAANG software engineers and PhD computer science educators — subject matter experts who’ve shipped production code at scale and taught the theory behind it. The goal is to get you hands-on with the skills you need to stay ahead in today's constantly evolving tech landscape. No videos, no fluff — just interactive, project-based learning with personalized feedback that adapts to your goals and experience.

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Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Instant Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

AI Mock Interviews

Test your skills in a simulated interview setting. Receive personalized feedback based on your performance. Available for Coding Interviews, System Design, and more.

Adaptive Learning

At various checkpoints throughout Educative courses, you will be prompted to take a quick assessment. Receive a condensed curriculum tailored to your strengths and skill gaps.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

Free Resources

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The Road to React: The One with Class Components Save

The Road to React: The One with Class Components
Save