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React Key Concepts

You're reading from   React Key Concepts Consolidate your knowledge of React's core features

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Product type Paperback
Published in Dec 2022
Publisher Packt
ISBN-13 9781803234502
Length 590 pages
Edition 1st Edition
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 (16) Chapters Close

Preface
1. React – What and Why FREE CHAPTER 2. Understanding React Components and JSX 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. Behind the Scenes of React and Optimization Opportunities 10. Working with Complex State 11. Building Custom React Hooks 12. Multipage Apps with React Router 13. Managing Data with React Router 14. Next Steps and Further Resources Appendix

3. Components & Props

Activity 3.1: Creating an App to Output Your Goals for This Book

This activity builds upon Activity 2.2 from the previous chapter. If you followed along there, you can use your existing code and enhance it by adding props.

The aim here is to build reusable GoalItem components that can be configured via props. Every GoalItem component should receive and output a goal title and a short description text with extra information about the goal.

Perform the following steps to complete this activity:

  1. Finish Activity 2.2 from the previous chapter.
  2. Add a new component to the src/components folder, a component function named GoalItem, in a new GoalItem.js file.
  3. Copy the component function (including the returned JSX code) from FirstGoal.js and add a new props parameter to the function. Remove the title and description text from the JSX code:
    function GoalItem(props) {
      return (
        <li>
          <article>
            <h2></h2&gt...
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