React Base Fiddle (JSX)

Starting point for creating JSFiddles with React.

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 Discover extends React.Component {
  state = { number: 55 };
  render() {
    const { number } = this.state;
    return (
      <div>
        <Button number={number} />
        <p>Number: {number}</p>
      </div>
    );
  }
}

const Button = ({ number }) => {
  return (
    <div>
      <p>Number: {number}</p>
    </div>
  );
};

ReactDOM.render(<Discover />, document.getElementById("container"));


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