React Base Fiddle (JSX)

Starting point for creating JSFiddles with React. This uses React with Addons.

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.24/browser.js"></script>
<script src="https://unpkg.com/react@15.5.0/dist/react-with-addons.js"></script>
<script src="https://unpkg.com/react-dom@15.5.0/dist/react-dom.js"></script>
<script src="https://facebook.github.io/react/js/jsfiddle-integration-babel.js"></script>

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

JavaScript 1.7

var NumberInput = React.createClass({
  render: function() {
    return <input type="number" defaultValue={this.props.defaultValue} />;
  }
});

ReactDOM.render(
  <NumberInput defaultValue={3.14} />,
  document.getElementById('container')
);