3 <div *ngIf="error" class="alert alert-danger">{{ error }}</div>
5 <form role="form" (ngSubmit)="makeFriends()">
6 <div class="form-group" *ngFor="let url of urls; let id = index; trackBy:customTrackBy">
7 <label for="username">Url</label>
8 <div class="input-group">
9 <input type="text" class="form-control" name="url" id="url" placeholder="http://domain.com" [(ngModel)]="urls[id]" />
10 <span class="input-group-btn">
11 <button *ngIf="displayAddField(id)" (click)="addField()" class="btn btn-default" type="button">+</button>
12 <button *ngIf="displayRemoveField(id)" (click)="removeField(index)" class="btn btn-default" type="button">-</button>
17 <input type="submit" value="Make friends" class="btn btn-default">