React Hello World Example with ES6+JSX

A basic Hello World widget with in browser JSX transformed + ES6 support

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.13.1/JSXTransformer.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.13.1/react-with-addons.js"></script>
<script src="https://facebook.github.io/react/js/jsfiddle-integration.js"></script>
<div id="container">
    <!-- This element's contents will be replaced with your component. -->
</div>

JavaScript 1.7

class Button extends React.Component {
	render(){
  	let disabled = this.props.active ? "disabled" : "";
  	return(
    	<div><button onClick={this.props.onClick} disabled={disabled}>Button</button></div>
    )
  }
}
class Test extends React.Component {
		constructor(props){
    	super(props);
      
      this.state = {
      	active: false
      }
    }
    
    handleClick(event){
    		this.setState({active: !this.state.active});
    }
    
		render(){
    	
    	return (
      	<div>
        	<Button onClick={this.handleClick.bind(this)}/>
          <Button active={this.state.active}/>
        </div>
      )
    }
}

React.render(<Test />, document.getElementById('container'));