1<form [formGroup]="myForm">
2 <div formArrayName="things">
3 <div *ngFor="let thing of things.controls; let i=index">
4 <label [for]="'input' + i">Thing {{i}}:</label>
5 <input type="text" [formControlName]="i" [name]="'input' + i" [id]="'input' + i" (keyup.enter)="" />
6 </div>
7 </div>
8</form>