React from Scratch
React from Scratch
A friendly guide for absolute beginners
About the Book
This book is my answer to the question: how to teach React to a complete beginner, in as little time as possible?
Need to learn the basics quickly? This is your book.
Table of Contents
-
Chapter 0: Before we start
- 0.1 Disclaimer
- 0.2 Assumptions: Things to have before we start
-
Chapter 1: Building the simplest possible React app
- 1.0 What is React?
- 1.1 Install React Developer Tools in your Browser
- 1.2 Let’s build the simplest possible React app
- 1.3 Run our default React app and examine it in the browser
- 1.4 Inspecting the app using React Developer Tools
-
1.5 What happens when we run the
npx create-react-app <appName>
? - 1.6 Understanding our default React app’s folder and file structure
-
1.7 Inspecting the contents of
package.json
- 1.8 Altering the default app
-
Chapter 2: Serving React from a CDN and running it without a build step
- 2.1 Re-building the simplest app without a build step using Codepen.io
- 2.2 Load another node into another div
-
2.3 Challenge: Render three more
h2
headings - 2.4 Adding HTML attributes using React.createElement
- 2.5 What happened to the DOM?
- Some Conclusions
- 2.6 Optimizing our simplest example’s code, the React way: introducing JSX
- 2.7 Exercise: Find at least one interesting React Codepen
- 2.8 Making our simplest app a bit more dynamic, using JSX
- Chapter 3: Build React Apps Locally Without a Build Step
- Chapter 4: What is JSX?
-
Chapter 5: Components and props
-
Is it
render
orreturn
? - You must have a single wrapping element when returning JSX
- Props in React
- The list of completed learning objectives
-
Is it
-
Chapter 6: Assets in React
- 6.1 Working with images
- 6.2 Working with JSON
-
Chapter 7: JSX and styling
- 7.1 How to include CSS in plain HTML?
-
Chapter 8, Build a Static Bootstrap Layout
- 8.1 Prototyping our website layout’s components
- 8.2 Adding the Bootstrap navbar
- 8.3 Adding Bootstrap’s CSS
- 8.4 Extracting MainMenu component and importing it into App.js
- 8.5 Adding another component (the Jumbotron)
- 8.6 Adding the Card component and repeating it multiple times
- 8.7 Working with the children prop
- 8.8 Using the children prop in the CardsWrapper component
- 8.9 Adding the footer component
-
Chapter 9: Looping over data (repeating cards)
-
Bonus: Calling a single prop in the rendered Car component in
App.js
- Bonus 2: Cleaning up code using object destructuring
-
Bonus: Calling a single prop in the rendered Car component in
-
Chapter 10: The very basics of data and events in React
- 10.1 Data in React
- 10.2 Working with state data in a React component
- 10.3 Updating the state data in a React component using events
- 10.4 Exercise
-
Chapter 11: Conditional rendering
- 11.1 Product component example app
- 11.2 Using if-else in a component to render it conditionally
- 11.3 Rendering classNames conditionally using ternary operators
- 11.4 Simplifying rendering classNames conditionally using ternary operators
- 11.5 Conditionally returning a different string than the one passed in from a prop
- 11.6 Conditionally returning a different string than the one passed in from a prop
- 11.7 Conditionally rendering different components
- 11.8 Extracting the return values as variables
- 11.9 Extracting the return values as variables, and rendering them using the ternary operator
-
11.10 Conditionally rendering components using the logical AND operator (the
&&
operator)
-
Chapter 12: Conclusion
- An overview of concepts learned and apps built
The Leanpub 60-day 100% Happiness Guarantee
Within 60 days of purchase you can get a 100% refund on any Leanpub purchase, in two clicks.
See full terms
80% Royalties. Earn $16 on a $20 book.
We pay 80% royalties. That's not a typo: you earn $16 on a $20 sale. If we sell 5000 non-refunded copies of your book or course for $20, you'll earn $80,000.
(Yes, some authors have already earned much more than that on Leanpub.)
In fact, authors have earned$12,307,240writing, publishing and selling on Leanpub.
Learn more about writing on Leanpub
Free Updates. DRM Free.
If you buy a Leanpub book, you get free updates for as long as the author updates the book! Many authors use Leanpub to publish their books in-progress, while they are writing them. All readers get free updates, regardless of when they bought the book or how much they paid (including free).
Most Leanpub books are available in PDF (for computers) and EPUB (for phones, tablets and Kindle). The formats that a book includes are shown at the top right corner of this page.
Finally, Leanpub books don't have any DRM copy-protection nonsense, so you can easily read them on any supported device.
Learn more about Leanpub's ebook formats and where to read them
Top Books
OpenIntro Statistics
David Diez, Christopher Barr, Mine Cetinkaya-Rundel, and OpenIntroA complete foundation for Statistics, also serving as a foundation for Data Science.
Leanpub revenue supports OpenIntro (US-based nonprofit) so we can provide free desk copies to teachers interested in using OpenIntro Statistics in the classroom and expand the project to support free textbooks in other subjects.
More resources: openintro.org.
Personal Finance
Jason AndersonThis textbook provides an in-depth analysis on personal finance that is both practical and straightforward in its approach. It has been written in such a way that the readers can gain knowledge without getting overwhelmed by the technical terms. Suitable for both beginners and advanced learners.
Getting to Know IntelliJ IDEA
Trisha Gee and Helen ScottIf we treat our IDE as a text editor, we are doing ourselves a disservice. Using a combination of tutorials and a questions-and-answers approach, Getting to Know IntelliJ IDEA will help you find ways to use IntelliJ IDEA that enable you to work comfortably and productively as a professional developer.
R Programming for Data Science
Roger D. PengThis book brings the fundamentals of R programming to you, using the same material developed as part of the industry-leading Johns Hopkins Data Science Specialization. The skills taught in this book will lay the foundation for you to begin your journey learning data science. Printed copies of this book are available through Lulu.
C++20 - The Complete Guide
Nicolai M. JosuttisAll new language and library features of C++20 (for those who know previous C++ versions).
The book presents all new language and library features of C++20. Learn how this impacts day-to-day programming, to benefit in practice, to combine new features, and to avoid all new traps.
Buy early, pay less, free updates.
Other books:
Mastering STM32 - Second Edition
Carmine NovielloWith more than 1200 microcontrollers, STM32 is probably the most complete ARM Cortex-M platform on the market. This book aims to be the most complete guide around introducing the reader to this exciting MCU portfolio from ST Microelectronics and its official CubeHAL and STM32CubeIDE development environment.
Stats One
William FooteMachine Learning Q and AI
Sebastian Raschka, PhDHave you recently completed a machine learning or deep learning course and wondered what to learn next? With 30 questions and answers on key concepts in machine learning and AI, this book provides bite-sized bits of knowledge for your journey to becoming a machine learning expert.
Ansible for DevOps
Jeff GeerlingAnsible is a simple, but powerful, server and configuration management tool. Learn to use Ansible effectively, whether you manage one server—or thousands.
Gradual Modularization for Ruby and Rails
Stephan HagemannGet yourself a new tool to manage your Rails application and your growing engineering organization! Prevent the ball-of-mud (and fix it!). Go for microservices or SOA if it makes sense not just because you don't have any other tool. Do all this through a low-overhead tool: packages. Enable better conversations to make practical changes today.
Top Bundles
- #1
Software Architecture
2 Books
"Software Architecture for Developers" is a practical and pragmatic guide to modern, lightweight software architecture, specifically aimed at developers. You'll learn:The essence of software architecture.Why the software architecture role should include coding, coaching and collaboration.The things that you really need to think about before... - #2
CCIE Service Provider Ultimate Study Bundle
2 Books
Piotr Jablonski, Lukasz Bromirski, and Nick Russo have joined forces to deliver the only CCIE Service Provider training resource you'll ever need. This bundle contains a detailed and challenging collection of workbook labs, plus an extensively detailed technical reference guide. All of us have earned the CCIE Service Provider certification... - #3
1500 QUIZ COMMENTATI (3 libri)
3 Books
Tre libri dei QUIZ MMG Commentati al prezzo di DUE! I QUIZ dei concorsi ufficiali di Medicina Generale relativi agli anni: 2000-2001-2003-2012-2013-2014-2015-2016-2017-2018-2019-2020-2021 +100 inediti Raccolti in unico bundle per aiutarvi nello studio e nella preparazione al concorso. All'interno di ogni libro i quiz sono stati suddivisi per... - #4
Pattern-Oriented Memory Forensics and Malware Detection
2 Books
This training bundle for security engineers and researchers, malware and memory forensics analysts includes two accelerated training courses for Windows memory dump analysis using WinDbg. It is also useful for technical support and escalation engineers who analyze memory dumps from complex software environments and need to check for possible... - #5
Practical FP in Scala + Functional event-driven architecture
2 Books
Practical FP in Scala (A hands-on approach) & Functional event-driven architecture, aka FEDA, (Powered by Scala 3), together as a bundle! The content of PFP in Scala is a requirement to understand FEDA so why not take advantage of this bundle!? - #7
Linux Administration Complet
4 Books
Ce lot comprend les quatre volumes du Guide Linux Administration :Linux Administration, Volume 1, Administration fondamentale : Guide pratique de préparation aux examens de certification LPIC 1, Linux Essentials, RHCSA et LFCS. Administration fondamentale. Introduction à Linux. Le Shell. Traitement du texte. Arborescence de fichiers. Sécurité... - #9
Development and Deployment of Multiplayer Online Games, Part ARCH. Architecture (Vol. I-III)
3 Books
What's the Big Idea? The idea behind this book is to summarize the body of knowledge that already exists on multiplayer games but is not available in one single place.And quite a fewof the issues discussed within this series (planned as three nine volumes ~300 pages each), while known in the industry, have not been published at all (except for... - #10
Modern C++ Collection
3 Books
Get All about Modern C++C++ Standard Library, including C++20Concurrency with Modern C++, including C++20C++20Each book has about 200 complete code examples. Updates are included. When I update one of the books, you immediately get the updated bundle. You can expect significant updates to each new C++ standard (C++23, C++26, .. ) and also...