W3Schools Tryit Editor

main.jsx

index.html

import { createRoot } from 'react-dom/client';
import { BrowserRouter, Routes, Route, NavLink } from 'react-router-dom';

// Style function for active links
const navLinkStyles = ({ isActive }) => ({
  color: isActive ? '#007bff' : '#333',
  textDecoration: isActive ? 'none' : 'underline',
  fontWeight: isActive ? 'bold' : 'normal',
  padding: '5px 10px'
});

function Home() {
  return <h1>Home Page</h1>;
}

function About() {
  return <h1>About Page</h1>;
}

function Contact() {
  return <h1>Contact Page</h1>;
}

function App() {
  return (
    <BrowserRouter>
      {/* Navigation with NavLink for active styling */}
      <nav style={{ marginBottom: '20px' }}>
        <NavLink to="/" style={navLinkStyles}>Home</NavLink> |{" "}
        <NavLink to="/about" style={navLinkStyles}>About</NavLink> |{" "}
        <NavLink to="/contact" style={navLinkStyles}>Contact</NavLink>
      </nav>

      {/* Routes */}
      <Routes>
        <Route path="/" element={<Home />} />
        <Route path="/about" element={<About />} />
        <Route path="/contact" element={<Contact />} />
      </Routes>
    </BrowserRouter>
  );
}

createRoot(document.getElementById('root')).render(
  <App />
);

<!doctype html>
<html lang="en">
  <body>
    <div id="root"></div>
    <script type="module" src="/src/main.jsx"></script>
  </body>
</html>