text: // Run this example by adding <%= javascript_pack_tag 'hello_react' %> to the head of your layout file,
  // like app/views/layouts/application.html.erb. All it does is render <div>Hello React</div> at the bottom
  // of the page.
  
  import React from "react";
  import ReactDOM from "react-dom";
  import App from "../components/App";
  
  document.addEventListener("DOMContentLoaded", () => {
    ReactDOM.render(
      <App />,
      document.body.appendChild(document.createElement("div"))
    );
  });
  