<div *ngFor="let billingItem of billings" class="LG_invoice-item" #billing (click)="setCurrentBilling(billingItem)" >
  <div class="LG_form-title" (click)="billing.value = !billing.value">
    {{billingItem.month}} {{billingItem.years}}
  </div>
  <app-billing *ngIf="billing.value" ></app-billing>
</div>

(click)="billing.value = !billing.value"

<app-billing *ngIf="billing.value" ></app-billing>

ngOnInit() {
    this.billingsService.log();
    setTimeout(() => {
      this.billingsService.log();
      }, 0);

    //console.log('currentelem: ', );
  }

(click)="setCurrentBilling(billingItem)"

<div *ngFor="let billingItem of billings" class="LG_invoice-item" #billing (click)="setCurrentBilling(billingItem)" >
  <div class="LG_form-title">
    {{billingItem.month}} {{billingItem.years}}
  </div>
  <app-billing *ngIf="billing.value" ></app-billing>
</div>