duck-booking-tool-front/app/duck-detail.component.html

<div *ngIf="duck">
    <div>
        <label>id: </label>
        {{ duck.id }}
    </div>
    <div>
        <label>color: </label>
        <input [(ngModel)]="duck.color" placeholder="Color" />
    </div>
    <button (click)="save()">Save</button>
    <button (click)="goBack()">Back</button>
</div>