gistfile1.js

var Parent = FauxtonAPI.createReactClass('Parent', {
  render: function () {
    var Child = FauxtonAPI.getReactClass('child');
    return (
      <div>
        <Child />
      </div>
    );		
  }	
});

var Child = FauxtonAPI.createReactClass('Child', {
  render: function () {
    return (
      <p>Child</p>
    );
  }
});