Method catch

packages/zone.js/lib/common/promise.ts:554–558

(
        onRejected?: ((reason: any) => TResult | PromiseLike<TResult>) | undefined | null,
      )

      }

      catch<TResult = never>(
        onRejected?: ((reason: any) => TResult | PromiseLike<TResult>) | undefined | null,
      ): Promise<R | TResult> {
        return this.then(null, onRejected);
      }

      finally<U>(onFinally?: () => U | PromiseLike<U>): Promise<R> {
        // See comment on the call to `then` about why thee `Symbol.species` is safely accessed.