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://npmcdn.com/react@latest/dist/react-with-addons.js"></script>
<script src="https://npmcdn.com/react-dom@latest/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

class Card extends React.Component {   
    constructor(props){
        super(props);
        this.props=props; //set props value

    }
    render() {
        return (
            <div> 
            {
             // itterate through the array
             this.props.arr.map((value,index)=>(
              <div key={index}>{value} {index}</div>
             ))
            }
            </div>
        )
    }
}
class CardContainer extends React.Component {  
        constructor(props){
            super(props);
            this.props=props;
            this.arr=["one", "two", "three", "four"];
        }
        render() { 
            return (
                <div> 
                <Card arr={this.arr}/> //pass your props value
                </div>
            )
        }
    }

ReactDOM.render(
  <CardContainer/>,
  document.getElementById('container')
);