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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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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

6. Styling React Apps

Activity 6.1: Providing Input Validity Feedback upon Form Submission

In this activity, you will build a basic form that allows users to enter an email address and a password. The provided input of each input field is validated, and the validation result is stored (for each individual input field).

The aim of this activity is to add some general form styling and some conditional styling that becomes active once an invalid form has been submitted. The exact styles are up to you, but for highlighting invalid input fields, the background color of the affected input field must be changed, as well as its border color and the text color of the related label.

Perform the following steps to complete this activity:

  1. Create a new React project and add a Form component function in a components/Form.js file in the project.
  2. Export the component and import it into App.js.
  3. Output the <Form /> component as part of App's JSX code.
  4. In the...
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