import React from 'react';
import PropTypes from 'prop-types';

class App extends React.Component {
  render() {
    return (
      <h1>Hello, {this.props.name}</h1>
    );
  }
}

App.propTypes = {
  name: PropTypes.string
};

export default App;

import React from 'react';
import ReactDOM from 'react-dom';
import App from './App';


ReactDOM.render(
  <React.StrictMode>
    <App name="Shark"/>
    
  </React.StrictMode>,
  document.getElementById('root')
);