<div [ngClass]="{selectwrapper: true, error: step.error}"> <div class="arrow_box"> <select class="select" (change)="convert($event)"> <option id="undefined">Select conversion ...</option> @for (c of converters; track c.getId()) { <option class="option" id="{{c.getId()}}">{{ c.getDisplayname() }}</option> } </select> </div> </div>