React Base Fiddle (JSX)

Starting point for creating JSFiddles with React.

by Rich Costello

HTML

<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">
    <!-- This element's contents will be replaced with your component. -->
</div>

Babel + JSX

class Counter extends React.Component {
	constructor(props) {
  	super(props);
    
    this.state = {
     counter: 0;
    }
  }
  
  render() {
    return <div>{this.state.counter}</div>;
  }
}

ReactDOM.render(
  <Counter />,
  document.getElementById('container')
);