JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://unpkg.com/react/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom/umd/react-dom.development.js"></script>
<div id="root"></div>

Babel + JSX

class Toggle extends React.Component {
  constructor(props) {
    super(props);
    this.clicou = this.clicou.bind(this);
  }
  clicou() {
		alert("clicou");
  }
  render() {
    return (
      <button onClick={this.clicou}>
        botĂŁo
      </button>
    );
  }
}
ReactDOM.render(
  <Toggle />,
  document.getElementById('root')
);