React Base Fiddle (JSX)

Starting point for creating JSFiddles with React.

by aparadise

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(props){
  super(props);
     this.state = {
     counter:0
         } 
 } */
 state = { value: this.props.initialValue };

  render() {
    return <div>Hello {this.props.name} {this.state.counter}</div>;
  }
}

ReactDOM.render(
  <Hello name="World" foo="blah" />,
  document.getElementById('container')
);