What is a React component?

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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.

A React component is a reusable piece of UI built using JavaScript (often with JSX) that returns React elements to be rendered on the page. Components can be functional or class-based, and they help break down the UI into smaller, manageable parts.

Example (Functional Component):

jsx

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function Greeting() {

  return <h1>Hello, world!</h1>;

}

Key Features:

Reusable

Composable

Can manage state and props

Help in separating concerns in UI

Read More

What is the use of useState in React?

What is the use of useEffect hook?

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