changeDetection-example-2.ts

@Component()
class ContactsApp implements OnInit{

  firstName: string = 'Super';
  lastName: string = 'Cat';

  constructor(private http: Http) {}

  ngOnInit() {
    this.http.get('/name/mouse')
      .map(res => res.json())
      .subscribe(({mouseFullName}) => {
        this.firstName = mouseFullName.firstName;
        this.lastName = mouseFullName.lastName;
      });
  }
}