react.js loop with object

app.jsx

var MenuCategories = React.createClass({
    getInitialState: function() {
        return {
            data: [],
            temp : "beka tomashvili"
        };
    },

    componentDidMount: function() {
        this.serverRequest = $.get(this.props.source, function (result) {

            var result = result.data;
            window.temp = result ;

            console.log(result);
            this.setState({
                data: result

            });
        }.bind(this));
    },

    componentWillUnmount: function() {
        this.serverRequest.abort();
    },

    render: function() {
        return (
            <ol>
                {this.state.data.map(function(itm) {
                    return <li key={itm.id}>{itm.id}</li>;
                })}
            </ol>
        );

    }
});

ReactDOM.render(
    <MenuCategories source="http://localhost:3000/v1/categories/list" />,
    document.getElementById('beka')
);