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<!DOCTYPE html>
<html>
<head>
<script src="https://fb.me/react-with-addons-0.14.7.min.js"></script>
<script src="https://fb.me/react-dom-0.14.7.min.js"></script>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>
​
</body>
</html>
 
​
class Checky extends React.Component {
    render() {
      return (<input type="checkbox" checked={this.props.checked} />);
    }
}
​
class App extends React.Component {
​
    constructor(props) {
        super(props);
        this.state = { checked: true };
    }
      
    render() {
        return (
          <div>
            <a href="#" onClick={ () => { this.setState({ checked: !this.state.checked }); }}>Toggle</a>
            <hr />
            <Checky checked={this.state.checked} />
          </div>
        );
    }
}
 
​
React.render(<App />, document.body);
​
Output

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anonymouspro
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