map di React

class RobotItems extends React.Component {
  render() {
    const topics = ["React", "JSX", "JavaScript", "Programming"];
    return (
      <div>
        <h3>Topics I am interested in</h3>
        <ul>
          {topics.map(top => <li>{top}</li>)}
        </ul>
      </div>
    );
  }
}