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://fb.me/react-with-addons-0.14.6.js"></script>
<script src="https://fb.me/react-dom-0.14.6.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/semantic-ui/2.1.8/semantic.min.css">
<script src="https://code.jquery.com/jquery-2.2.2.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/semantic-ui/2.1.8/semantic.min.js"></script>
<script src="https://facebook.github.io/react/js/jsfiddle-integration-babel.js"></script>
<div id="app">
    <!-- This element's contents will be replaced with your component. -->
</div>

CSS

#app {
  margin: 10px;
}

#card{
  margin-top: 10px;
}

JavaScript 1.7

class App extends React.Component {
    
    constructor(props){
        super(props);
        this.state = {
            number: 0,
            show: false
        }
    }
    
    _increase(){
        this.setState({
            number: this.state.number+1
        });
    }
    
    _show() {
        this.setState({
            show: true
        });
    }
    
    _unmount() {
        this.setState({
            number: 0,
            show: false
        });
    }
    
    render(){
        let component = (<Card number={this.state.number}/>);
        return  (
            <div>
                <Button caption="Show Card" customClass="green" onClick={this._show.bind(this)} />
                <Button caption="Increase Number" customClass="blue" onClick={this._increase.bind(this)}/>
                <Button caption="Unmount Card" customClass="red" onClick={this._unmount.bind(this)}/>
                {this.state.show ? component : ""}
            </div>
        );
    }
}

class Button extends React.Component {
    render() {
        let className = "ui button " + this.props.customClass;
        
        return (
            <div onClick={this.props.onClick}className={className}>{this.props.caption}</div>
            
        )
    }
}

class Card extends React.Component {
    constructor(props){
        super(props);
        console.log("constructor");
    }
    componentWillMount(){
        console.log("componentWillMount");
    }
    
    componentDidMount(){
        console.log("componentDidMount");
    }
    
    componentWillReceiveProps(nextProps){
        console.log("componentWillReceiveProps: " + JSON.stringify(nextProps));
    }
    
    shouldComponentUpdate(nextProps, nextState){
        console.log("shouldComponentUpdate: " + JSON.stringify(nextProps) + " " + JSON.stringify(nextState));
        return true;
    }
    
    componentWillUpdate(nextProps, nextState){
        console.log("componentWillUpdate: " + JSON.stringify(nextProps) + " " +...