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React Key Concepts

You're reading from   React Key Concepts An in-depth guide to React's core features

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Product type Paperback
Published in Jan 2025
Publisher Packt
ISBN-13 9781836202271
Length 544 pages
Edition 2nd Edition
Languages
Tools
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Author (1):
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Maximilian Schwarzmüller Maximilian Schwarzmüller
Author Profile Icon Maximilian Schwarzmüller
Maximilian Schwarzmüller
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Toc

Table of Contents (21) Chapters Close

Preface 1. React – What and Why 2. Understanding React Components and JSX FREE CHAPTER 3. Components and Props 4. Working with Events and State 5. Rendering Lists and Conditional Content 6. Styling React Apps 7. Portals and Refs 8. Handling Side Effects 9. Handling User Input & Forms with Form Actions 10. Behind the Scenes of React and Optimization Opportunities 11. Working with Complex State 12. Building Custom React Hooks 13. Multipage Apps with React Router 14. Managing Data with React Router 15. Server-side Rendering & Building Fullstack Apps with Next.js 16. React Server Components & Server Actions 17. Understanding React Suspense & The use() Hook 18. Next Steps and Further Resources 19. Other Books You May Enjoy 20. Index

How to Deal with Multiple Props

As shown in the preceding examples, you are not limited to only one prop per component. Indeed, you can pass and use as many props as your component needs—no matter if that's 1 or 100 (or more) props.

Once you do create components with more than just two or three props, a new question might come up: do you have to add all those props individually (in other words, as separate attributes)? Or can you pass fewer attributes that contain grouped data, such as arrays or objects?

And indeed, you can. React allows you to pass arrays and objects as prop values as well. In fact, any valid JavaScript value can be passed as a prop value!

This allows you to decide whether you want to have a component with 20 individual props ("attributes") or just one "big" prop. Here's an example of where the same component is configured in two different ways:

<Product title="A book" price={29.99} id="p1" />
// or
const...
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