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 eBook. Key FeaturesNew content on TypeScript, React frameworks, state management strategies, and unit testingGet to grips with React fundamentals and modern React techniques and architectureBroaden your React expertise through mobile development with React NativeBook DescriptionWelcome 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 both.What you will learnExplore React architecture, component properties, state, and contextWork with React Hooks for handling functions and componentsFetch data from a server using the Fetch API, GraphQL, and WebSocketsDive into internal and external state management strategiesBuild robust user interfaces (UIs) for mobile and desktop apps using Material-UIPerform unit testing for your components with Vitest and mockingManage app performance with server-side rendering, lazy components, and SuspenseWho this book is forThis 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 covered.