React Key Concepts: An in-depth guide to React's core features

Confidently implement React in your next project with this in-depth overview of React's core features – now updated for React 19.Purchase of the print or Kindle book includes a free PDF ebook and bonus content.“If you want to learn React, I highly recommend that you consider this book.” - Nikki Siapno, Engineering Manager at Canva“This book is refreshingly practical and does an excellent job covering both fundamentals and advanced concepts.” - Mayank Ahuja, Technology Specialist“I'm on my way to finishing the book, and I've refreshed many React concepts, improved others and learned something new!” - Luca Del Puppo, Microsoft MVP & Google Developer ExpertKey FeaturesWork through clear, concise explanations of core React 19 functionalitiesComplete practical exercises that challenge you to build your own simple appsDiscover full-stack React with Next.js, React Server Components, Suspense, and moreBook DescriptionBestselling instructor, Max Schwarzmüller has written this quick-start reference that distils the core concepts of React. Simple explanations, relevant examples, and step-by-step derivations make this guide the ideal resource for busy developers. In this second edition, Max guides you through changes brought by React 19, including the new use() hook, form actions, and how to think about React on the server.This book will support you through your next React projects in giving you a behind-the-scenes understanding of the framework – whether you've just finished Max's video course and are looking for a handy reference, or you’re using a variety of other learning materials and need a single study guide to bring everything together.You’ll find full solutions to all end-of-chapter quizzes and exercises in the book’s GitHub repository. What you will learnBuild modern, user-friendly, and reactive web appsCreate components and utilize props to pass data between themHandle events, perform state updates, and manage conditional contentAdd styles dynamically and conditionally for modern user interfacesUse advanced state management techniques such as React's Context APIUtilize React Router to render different pages for different URLsUnderstand key best practices and optimization opportunitiesLearn about React Server Components and Server ActionsWho this book is forThis React book is for developers who have prior experience with, or who are currently learning, the basics of React. You can use this book as a standalone resource to consolidate your understanding or as a companion guide to other courses.To get the most value from this book, you should have a basic understanding of the fundamentals of JavaScript, HTML, and CSS.Table of ContentsReact – What and WhyUnderstanding React Components and JSXComponents and PropsWorking with Events and StateRendering Lists and Conditional ContentStyling React AppsPortals and RefsHandling Side EffectsHandling User Input & Forms with Form ActionsBehind the Scenes of React and Optimization OpportunitiesWorking with Complex StateBuilding Custom React HooksMultipage Apps with React RouterManaging Data with React RouterServer-side Rendering & Building Fullstack Apps with Next.jsReact Server Components & Server ActionsUnderstanding React Suspense & The use() HookNext Steps and Further Resources Read more