YouTipWhat is React?
React is a JavaScript library for building user interfaces by Meta.
Components
function Welcome({ name }) {
return <h1>Hello, {name}!</h1>;
}
function App() {
return (
<div>
<Welcome name="Alice" />
<Welcome name="Bob" />
</div>
);
}Summary
- React uses components to build UI
- JSX combines JavaScript and HTML-like syntax