Handling Events

React events work similarly to DOM events but with some syntactic differences. Let's learn how to handle user interactions in React.

Event Handler Basics

In React, you pass event handlers as props using camelCase:

Defining Event Handlers

Event handlers are regular JavaScript functions:

Common Events

React supports all standard DOM events:

The Event Object

Event handlers receive a synthetic event object:

Exercise: Create Event Handlers

Exercise: Counter with Increment and Decrement

Exercise: Form Event Handler

Key Takeaways

1. CamelCase events - onClick, onChange, onSubmit
2. Function references - Pass {handleClick}, not "handleClick()"
3. Event object - Handlers receive a synthetic event
4. preventDefault() - Explicitly prevent default behavior
5. Handler definition - Define handlers inside or outside component