Ember Observer Example Part 2

controller.js

export default Ember.Controller.extend({
  appName:'Observer Example',
  lambo: Car.create(),
  status: computed('lambo.isOn', function() {
    return "The lambo is " + (this.get('lambo').get('isOn') ? 'on' : 'off')
  }),
  actions: {
    pressed: function() {
      this.get('lambo').toggleProperty('isOn');

    }
  }
});