React Base Fiddle (JSX)

Starting point for creating JSFiddles with React.

by gianlucaguarini

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 {
  render() {
    return <select>
      <option>
        item
        <div>
          { this.props.items.map(item => (
            <div key={item}>{item}</div>
          ))}
        </div>
      </option>
    </select>;
  }
}

ReactDOM.render(
  <Hello items={[1, 2, 3]} />,
  document.getElementById('container')
);