React Base Fiddle (JSX)

Starting point for creating JSFiddles with React.

by Phi Hong

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 Hello extends React.Component {
  constructor() {
  	super();
  	this.counter = 0;
    this.increment = () => {
    	this.counter++;
      this.setState({});
    }
  }
  
  render() {
    return (
    	<div>
    	  <h1>{this.counter}</h1>
        <p><button onClick={this.increment}>Increment</button></p>
    	</div>
    );
  }
}

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