aspnetcore/templates/ReactSpa/ClientApp/components/About.tsx

import * as React from 'react';

export class About extends React.Component<void, void> {
    public render() {
        return <div>
            <h1>About</h1>

            <p>This is another component.</p>
            
            <p>It's here to demonstrate navigation.</p>
        </div>;
    }
}