index.html 
<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>My Awesome Page</title>
        <link rel="stylesheet" href="styles.css">
    </head>
    <body>
        <h1>Hello, World!</h1>
        <p>This is a simple HTML document.</p>
        <script src="main.js"></script>
    </body>
</html>
Terminal 
$ npm start
> my-project@1.0.0 start
> node index.js

Starting application...
Server running on port 3000
Welcome to the terminal!

 ERROR: Failed to load module 'react-native' - Check your environment.

>