Fetch data in angular

angular-fetch.html

    <div *ngIf="fetchingError; else fetchingTemplate" class="alert alert-danger" role="alert">
        {{ fetchingError }}
    </div>

    <ng-template #fetchingTemplate>
        <div class="spinner-border text-primary" *ngIf="fetching; else dataTemplate" role="status">
            <span class="visually-hidden">Loading...</span>
        </div>
        <ng-template #dataTemplate>
            <div class="row">
                <app-word *ngFor="let word of words" [word]="word" class="col-md-6 col-lg-4 col-12 mb-2"></app-word>
            </div>
        </ng-template>
    </ng-template>