Book Image

React and React Native - Fourth Edition

By : Adam Boduch, Roy Derks, Mikhail Sakhniuk
Book Image

React and React Native - Fourth Edition

By: Adam Boduch, Roy Derks, Mikhail Sakhniuk

Overview of this book

Over the years, React and React Native has proven itself among JavaScript developers as a popular choice for a complete and practical guide to the React ecosystem. This fourth edition comes with the latest features, enhancements, and fixes to align with React 18, while also being compatible with React Native. It includes new chapters covering critical features and concepts in modern cross-platform app development with React. From the basics of React to popular components such as Hooks, GraphQL, and NativeBase, this definitive guide will help you become a professional React developer in a step-by-step manner. You'll begin by learning about the essential building blocks of React components. As you advance through the chapters, you'll work with higher-level functionalities in application development and then put your knowledge to work by developing user interface components for the web and native platforms. In the concluding chapters, you'll learn how to bring your application together with robust data architecture. By the end of this book, you'll be able to build React applications for the web and React Native applications for multiple mobile platforms.
Table of Contents (36 chapters)
1
Part 1 – React
15
Part 2 – React Native
31
Part 3 – React Architecture

Chapter 5: Event Handling, the React Way

The focus of this chapter is event handling. React has a unique approach to handling events – declaring event handlers in JSX. We'll get things started by looking at how event handlers for particular elements are declared in JSX. Then, we'll learn about binding handler context and parameter values. Next, we'll implement inline and higher-order event handler functions.

Then, you'll learn how React actually maps event handlers to DOM elements under the hood. Finally, you'll learn about the synthetic events that React passes to event handler functions and how they're pooled for performance purposes. Once you've completed this chapter, you'll be comfortable implementing event handlers in your React components. At that point, your applications come to life for your users because they are then able to interact with them.

The following topics are covered in this chapter:

Declaring event handlers...