React and React Native - Third Edition

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. I'll get things going by looking at how event handlers for particular elements are declared in JSX. Then, you'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 ...