Full-stack dev quiz question #55

Full-stack dev quiz question #55quiz

Asynchronous operations can be tricky in programming. Check fifty fith question of full-stack dev quiz to see what you know about sending HTTP GET requests in Angular TS and reading the response.

Look at the below TypeScript code:

import { Injectable } from '@angular/core';
import {Observable} from "rxjs";
import {HttpClient} from "@angular/common/http";

providedIn: 'root'

export class BlogsService {
constructor(private http: HttpClient) { }

public getUsefulBlogs(): XYZ {
return this.http.get<Blog[]>("/blogs/useful");

export interface Blog {
name: string,
url: string

What object type (marked as XYZ) is returned by getUsefulBlogs() function? It basically returns the same as the get function of HttpClient. Choose the best answer.

  1. Blog 
  2. Blog[]
  3. HttpClient
  4. Event<Blog>
  5. Subscription<Blog[]>

For the correct answer scroll down













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The correct answer is: e. If you would like to read more, check Mocking REST API in AngularTS article.

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