Angular

}
constructor(){
this.users.push(new User('Narco', false));
this.users.push(new User('Bombasto',false));
this.users.push(new User('Celeritas', false));
this.users.push(new User('Magneta', false));
}
export class User {
firstName : string;
active : boolean;
changeButtonState(){
this.active = !this.active;
}
constructor(_firstName :string, _active : boolean){
this.firstName = _firstName;
this.active = _active;
}
}
GoalKicker.com – Angular 2 Notes for Professionals 156