What are React hooks and why are they used?

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React Hooks are functions that let you use React state and lifecycle features inside functional components, without needing to write class components.

React Hooks are special functions introduced in React 16.8 that let you use state and other React features (like lifecycle methods) inside functional components—which were previously only available in class components.

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Why Hooks Are Used:

1. Simplify Components:
   Hooks let you write components as functions instead of classes, making code easier to read and maintain.

2. State Management:
   With hooks like useState, you can add and manage local state inside functional components.

3. Side Effects:
   useEffect hook lets you perform side effects (e.g., data fetching, subscriptions) in function components, replacing lifecycle methods like componentDidMount and componentDidUpdate.

4. Reuse Logic:
   Hooks enable reusable stateful logic through custom hooks, promoting cleaner and more modular code.

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What are React hooks used for?

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