import React from "react";
import ReactDOM from "react-dom/client";
function Hello(props) {
return <h1>Hello World!</h1>;
}
ReactDOM.render(<Hello />, document.getElementById("root"));
/*
The examples in this tutorial are created using the
create-react-app.
Install the create-react-app,
and you will be able to run the same examples on your computer.
In this example we create a component called 'Hello'.
The component is rendered in a container called 'root'.
*/
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport"
content="width=device-width, initial-scale=1" />
<title>React App</title>
</head>
<body>
<div id="root"></div>
</body>
</html>