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React and React Native

You're reading from   React and React Native A complete hands-on guide to modern web and mobile development with React.js

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Product type Paperback
Published in Apr 2020
Publisher Packt
ISBN-13 9781839211140
Length 526 pages
Edition 3rd Edition
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Authors (2):
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Adam Boduch Adam Boduch
Author Profile Icon Adam Boduch
Adam Boduch
Roy Derks Roy Derks
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Roy Derks
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Table of Contents (33) Chapters Close

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

The goal of this chapter is for you to learn about the life cycle of React components and how to write code that responds to life cycle events. You'll learn why components need a life cycle in the first place. Then, you'll implement several components that initialize their properties and state using these methods.

Next, you'll learn about how to optimize the rendering efficiency of your components by avoiding rendering when it isn't necessary. Then, you'll see how to encapsulate the imperative code in React components and how to clean up when components are unmounted. Finally, you'll learn how to capture and handle errors using new React 16 life cycle methods.

Here are the sections we'll cover in this chapter:

  • Why components need a life cycle
  • Initializing properties and state
  • Optimizing rendering efficiency
  • Rendering...
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