text: requirejs.config({
      // module name mapped to CDN url
      paths: {
          // Require.js appends `.js` extension for you
          'react': 'https://unpkg.com/react@15.3.2/dist/react',
          'react-dom': 'https://unpkg.com/react-dom@15.3.2/dist/react-dom'
      }
  });