<div id='root'></div>

  <script src='https://cdnjs.cloudflare.com/ajax/libs/react/15.6.1/react.js'></script>
  <script src='https://cdnjs.cloudflare.com/ajax/libs/react/15.6.1/react-dom.js'></script>
  <script src='https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.38/browser.min.js'></script>

  <script type='text/babel'>
    const App = () => <div>Hello World</div>;
    ReactDOM.render(<App />, document.getElementById('root'))
  </script>