<a>{{langView}}: <button mat-icon-button matTooltip="Language"> <mat-select #langSelect [(value)]="currLangViewValue" (selectionChange)="changeLanguage($event.value)"> <mat-option *ngFor="let lang of languages" [value]="lang.value" [attr.selected]='de'> {{lang.viewValue}} </mat-option> </mat-select> </button> </a>