ooade/main.html

## main.html
<head>
  <title>My App</title>
</head>

<body>
  <div class="app"></div> <!-- We use class here because we're not in the react environment, so don't mix things up -->
</body>

## main.js
// Grab the react and react-dom pkg
import React from 'react';
import ReactDOM from 'react-dom';

// Write an App Component
const App = () => {
  return (
    <div> Hello World! </div>
  );
};

ReactDOM.render(<App />, document.querySelector('.app'));
	<head>
	<title>My App</title>
	</head>

	<body>
	<div class="app"></div> <!-- We use class here because we're not in the react environment, so don't mix things up -->
	</body>
	// Grab the react and react-dom pkg
	import React from 'react';
	import ReactDOM from 'react-dom';

	// Write an App Component
	const App = () => {
	return (
	<div> Hello World! </div>
	);
	};

	ReactDOM.render(<App />, document.querySelector('.app'));