text: import 'react-app-polyfill/ie9'; // For IE 9-11 support
  import 'react-app-polyfill/stable';
  // import 'react-app-polyfill/ie11'; // For IE 11 support
  import './polyfill'
  import React from 'react';
  import ReactDOM from 'react-dom';
  import './index.css';
  import App from './App';
  import * as serviceWorker from './serviceWorker';
  serviceWorker.unregister();
  ReactDOM.render(<App />, document.getElementById('root'));
  
  // If you want your app to work offline and load faster, you can change
  // unregister() to register() below. Note this comes with some pitfalls.
  // Learn more about service workers: http://bit.ly/CRA-PWA
  serviceWorker.unregister();
  