React.js 写経1

http://qiita.com/koba04/items/4f874e0da8ebd7329701

by FiNGAHOLiC

HTML

<script src="http://fb.me/react-with-addons-0.12.0.js"></script>
<script src="http://fb.me/JSXTransformer-0.12.0.js"></script>
<script src="http://fb.me/react-js-fiddle-integration.js"></script>

JavaScript 1.7

var Counter = React.createClass({
    getInitialState() {
        return {
            count: 0
        };
    },
    onClick() {
        this.setState({
            count: this.state.count + 1
        });
    },
    render() {
        return (
            <div>
                <div>count:{this.state.count}</div>
                <button onClick={this.onClick}>click!!</button>
            </div>
        );
    }
});

React.render(<Counter />, document.body);