2 <span>Loading hero...</span>
5 <h2>{{hero.name | uppercase}} Details</h2>
6 <div><span>id: </span>{{hero.id}}</div>
9 <input [(ngModel)]="hero.name" placeholder="name"/>
13 <button (click)="save()">save</button>
14 <button (click)="goBack()">go back</button>