ngif
@Component({ selector: 'ng-if-else', template: ` <button (click)="show = !show">{{show ? 'hide' : 'show'}}</button> show = {{show}} <br> <div *ngIf="show; else elseBlock">Text to show</div> <ng-template #elseBlock>Alternate text while primary text is hidden</ng-template> ` }) export class NgIfElse { show: boolean = true; }