Get a big-picture view of modern React and React Native and see how they go hand-in-hand - covering TypeScript development, Vite, state management strategies, unit testing with Jest, and more.
Purchase of the print or Kindle book includes a free PDF [...] FeaturesNew content on TypeScript, React frameworks, state management strategies, and unit testing
Get to grips with React fundamentals and modern React techniques and architecture
Broaden your React expertise through mobile development with React Native

Book Description
Welcome to your big-picture guide to the React ecosystem.
If you're new to React and looking to become a professional React developer, this book is for you. This updated fifth edition reflects the current state of React, including React framework coverage as well as TypeScript.
Part 1 introduces you to React. You'll discover JSX syntax, hooks, functional components, and event handling, learn techniques to fetch data from a server, and tackle the tricky problem of state management. Once you're comfortable with writing React in JavaScript, you'll pick up TypeScript development in later chapters.
Part 2 transitions you into React Native for mobile development. React Native goes hand-in-hand with React. With your React knowledge behind you, you'll appreciate where and how React Native differs as you write shared components for Android and iOS apps. You'll learn how to build responsive layouts, use animations, and implement geolocation.
By the end of this book, you'll have a big-picture view of React and React Native and be able to build applications with [...] you will learnExplore React architecture, component properties, state, and context
Work with React Hooks for handling functions and components
Fetch data from a server using the Fetch API, GraphQL, and WebSockets
Dive into internal and external state management strategies
Build robust user interfaces (UIs) for mobile and desktop apps using Material-UI
Perform unit testing for your components with Vitest and mocking
Manage app performance with server-side rendering, lazy components, and Suspense

Who this book is for
This book is for any JavaScript or TypeScript developer who wants to start learning how to use React and React Native for web and mobile app development.
No prior knowledge of React or React Native is required. However, a working knowledge of JavaScript is necessary to be able to follow along the content [...] of ContentsWhy React?
Rendering with JSX
Understanding React Components and Hooks
State Management in React
Event Handling, the React Way
Crafting Reusable Components
Handling Navigation with Routes
Code Splitting Using Lazy Components and Suspense
User Interface Framework Components
High-Performance State Updates
Fetching Data from a Server
State Management in React
Server-Side Rendering
Unit Testing in React
Why React Native?
React Native Under the Hood
Kickstarting React Native Projects
Building Responsive Layouts with Flexbox
Navigating Between Screens
Rendering Item Lists
Showing Progress
Geolocation and Maps
Collecting User Input
Displaying Modal Screens
Responding to User Gestures
Using Animations
Controlling Image Displays
Going Offline