-<h2>{{hero.name | uppercase}} Details</h2>
-<div><span>id: </span>{{hero.id}}</div>
-<div>
- <label>name: </label>
- <input [(ngModel)]="hero.name" placeholder="Type a name..." />
+<div *ngIf="selectedHero">
+ <h2>{{selectedHero.name | uppercase}} Details</h2>
+ <div><span>id: </span>{{selectedHero.id}}</div>
+ <div>
+ <label>name: </label>
+ <input [(ngModel)]="selectedHero.name" placeholder="Type a name..." />
+ </div>