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React and React Native

You're reading from   React and React Native Build cross-platform JavaScript applications with native power for the web, desktop, and mobile

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Product type Paperback
Published in May 2022
Publisher Packt
ISBN-13 9781803231280
Length 606 pages
Edition 4th Edition
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Authors (3):
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Roy Derks Roy Derks
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Roy Derks
Mikhail Sakhniuk Mikhail Sakhniuk
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Mikhail Sakhniuk
Adam Boduch Adam Boduch
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Adam Boduch
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Toc

Table of Contents (36) Chapters Close

Preface 1. Part 1 – React
2. Chapter 1: Why React? FREE CHAPTER 3. Chapter 2: Rendering with JSX 4. Chapter 3: Component Properties, State, and Context 5. Chapter 4: Getting Started with Hooks 6. Chapter 5: Event Handling, the React Way 7. Chapter 6: Crafting Reusable Components 8. Chapter 7: The React Component Life Cycle 9. Chapter 8: Validating Component Properties 10. Chapter 9: Handling Navigation with Routes 11. Chapter 10: Code Splitting Using Lazy Components and Suspense 12. Chapter 11: Server-Side React Components 13. Chapter 12: User Interface Framework Components 14. Chapter 13: High-Performance State Updates 15. Part 2 – React Native
16. Chapter 14: Why React Native? 17. Chapter 15: React Native under the Hood 18. Chapter 16: Kick-Starting React Native Projects 19. Chapter 17: Building Responsive Layouts with Flexbox 20. Chapter 18: Navigating Between Screens 21. Chapter 19: Rendering Item Lists 22. Chapter 20: Showing Progress 23. Chapter 21: Geolocation and Maps 24. Chapter 22: Collecting User Input 25. Chapter 23: Displaying Modal Screens 26. Chapter 24: Responding to User Gestures 27. Chapter 25: Using Animations 28. Chapter 26: Controlling Image Display 29. Chapter 27: Going Offline 30. Chapter 28: Selecting Native UI Components Using NativeBase 31. Part 3 – React Architecture
32. Chapter 29: Handling Application State 33. Chapter 30: Why GraphQL? 34. Chapter 31: Building a GraphQL React App 35. Other Books You May Enjoy

Chapter 10: Code Splitting Using Lazy Components and Suspense

Code splitting has been happening in React applications for some time now, long before there was any official support in the React API. With the latest version of React, there are new APIs that we can use that directly support code-splitting scenarios. Code splitting is necessary when you have larger applications with a lot of JavaScript code that must be delivered to a browser.

Big monolithic JavaScript bundles that house an entire application can create usability issues on initial page loads due to longer load times. With code splitting, we have more fine-grained control over how code makes its way from the server to the browser. This means more opportunities for us to properly handle load-time User Experience (UX).

In this chapter, you'll learn how to do this in your React applications by using the lazy() API and the Suspense components, two recent additions to React. Once you understand how these two pieces...

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