var PersonView = React.createClass({
  getInitialState: function() {
    return { name: 'Erin', age: 32 };
  },
  componentDidMount: function() {
    setTimeout(function() {
      this.setState({ age: 33 });
    }.bind(this), 1000);
  },
  render: function() {
    return (
      <div>
        <h1>{this.state.name}</h1>
        <div>Age: {this.state.age}</div>
      </div>;
    );
  }
});