Routing with React Router

// Requires: npm install react-router-dom
import { BrowserRouter, Routes, Route, Link } from 'react-router-dom';

function Home() { return <h2>Home Page</h2>; }
function About() { return <h2>About Us</h2>; }

function App() {
  return (
    <BrowserRouter>
      <nav>
        <Link to="/">Home</Link> | <Link to="/about">About</Link>
      </nav>
      
      <Routes>
        <Route path="/" element={<Home />} />
        <Route path="/about" element={<About />} />
      </Routes>
    </BrowserRouter>
  );
}