app.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";

import FirstComponent from './src/FirstComponent'
import UserComponent from './src/UserComponent'
ReactDOM.render(
<div>
<h1>Hello, Welcome to the first page</h1>
<FirstComponent/>
<UserComponent name="Logrocket" age={105} address="get me if you can" dob={new Date()} />
</div>,
  document.getElementById("root")
);