Map over items.

map

React.createClass({
    render() {
        let videos = this.props.videos.size > 0 ? this.props.videos.map(video => {
            return (
                <li key={video.id}>
                   <a href={video.desc}>{video.headline}</a>
                </li>
            );
        }) : <li> no data found </li>;

        return (
            <div>
                <div>title</div>
                <ul>
                        {videos}
                </ul>
            </div>
        );
    }
});