Hooks and Events Tutorial

Hooks and events are fundamental concepts in web development that allow you to add interactivity to your web applications. This tutorial will guide you through the basics of hooks and events, and how to use them effectively.

Understanding Hooks

Hooks are functions that allow you to "hook" into React's state and lifecycle features. They are a feature of React 16.8 and later.

Types of Hooks

• useState: To add state to functional components.
• useEffect: To perform side effects in function components.
• useContext: To access context values in functional components.
• useReducer: To use the reducer pattern in functional components.
• useCallback: To memoize a callback.
• useMemo: To memoize a value.

Understanding Events

Events are actions that occur in the browser, such as clicks, key presses, and mouse movements. React allows you to handle these events using event handlers.

Common Events

• onClick: For click events.
• onKeyPress: For key press events.
• onMouseMove: For mouse move events.

Example

Here's a simple example of using a hook and an event in a React component:

import React, { useState } from 'react';

function ClickCounter() {
  const [count, setCount] = useState(0);

  return (
    <div>
      <p>You clicked {count} times</p>
      <button onClick={() => setCount(count + 1)}>
        Click me
      </button>
    </div>
  );
}

export default ClickCounter;

In this example, we use the useState hook to add a state variable count to our component, and the onClick event to increment the count when the button is clicked.

Learn More

For more information on hooks and events, check out our React Hooks documentation.

React Hooks