JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://unpkg.com/prop-types@15.5.10/prop-types.js"></script>
<script src="https://unpkg.com/react@16/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
<div id="container"></div>

Babel + JSX

class App extends React.Component {
  constructor() {
    super();
    this.state = {
      value: null,
    };
  }

  render() {
    this.setState({
      value: 'test',
    });

    return <div />;
  }
}

ReactDOM.render(<App name="world"/>, document.getElementById('container'));