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React 17 Design Patterns and Best Practices

You're reading from   React 17 Design Patterns and Best Practices Design, build, and deploy production-ready web applications using industry-standard practices

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Product type Paperback
Published in May 2021
Publisher Packt
ISBN-13 9781800560444
Length 394 pages
Edition 3rd Edition
Languages
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Toc

Table of Contents (21) Chapters Close

Preface 1. Hello React!
2. Taking Your First Steps with React FREE CHAPTER 3. Cleaning Up Your Code 4. How React Works
5. React Hooks 6. Exploring Popular Composition Patterns 7. Understanding GraphQL with a Real Project 8. Managing Data 9. Writing Code for the Browser 10. Performance, Improvements, and Production!
11. Making Your Components Look Beautiful 12. Server-Side Rendering for Fun and Profit 13. Improving the Performance of Your Applications 14. Testing and Debugging 15. React Router 16. Anti-Patterns to Be Avoided 17. Deploying to Production 18. Next Steps 19. About Packt 20. Other Books You May Enjoy

Using JSX

In the previous chapter, we saw how React changes the concept of separation of concerns, moving the boundaries inside components. We also learned how React uses the elements returned by the components to display the UI on the screen.

Let's now look at how we can declare our elements inside our components.

React provides two ways to define our elements. The first one is by using JavaScript functions, and the second one is by using JSX, an optional XML-like syntax. The following is a screenshot of the examples section of the official React.js website (https://reactjs.org/#examples):

To begin with, JSX is one of the main reasons why people fail to approach React, because looking at the examples on the home page and seeing JavaScript mixed with HTML for the first time can seem strange to most of us.

As soon as we get used to it, we realize that it is very convenient, precisely because it is similar to HTML and looks very familiar to anyone who has already created UIs on the...

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