Skip to main content

Angular 2, 4, 5, 6, 7, 8, and 9 Documentations | A Complete Guide Book

This is a concise, complete overview of the key aspects of Angular (including all version). It is fully up to date with the latest release of Angular.

This article provide all the important aspects required for angular developers looking for brief and useful content for frequently asked Angular Questions. 


In this article, I have covered the Angular 6 complete step-by-step with example.
2.      Architecture
3.      Components
4.      Directives
6.      Angular Elements
7.      Bootstrapping
8.      NgModules
9.      Dependency Injection
10.  HttpClient
11.  Services
12.  Pipes
16.  Server Side Rendering (Angular Universal)
17.  Security
18.  Cookies
19.  Testing

Fundamental Concepts of Angular

What Is Angular?What's New In Angular 6?
What Are Differences Between Angular 6 and Angular 5?What Is Architecture Overview of Angular?
What Is a Template Reference Variable? What Is Bootstrapping in Angular?

Angular  Components

What Are Components? What Is an Entry Component?
When do I add components to entryComponents? Why does Angular need an EntryComponents?

Angular  Modules

What Is Modules? What are the @NgModule Metadata Properties?
Why use multiple NgModules? What Are the Purpose of @NgModule?
What Types of @NgModules? What Is Feature Modules? What Are the Types of Feature Modules?
Why you use BrowserModule, CommonModule, FormsModule, RouterModule, and HttpClientModule? What are the differences in NgModules and JavaScript Modules?

Angular  Elements

What's Angular Elements? What Is Modular View Engine Architecture?

Angular  Directives and Decorators

What Is Angular Directives? What Are Angular Decorators?
What are the differences between @Component and @Directive? How to Create Custom Directives?

Angular  Compiler and Ivy Renderer

What Is Compiler? Why we need compilation? What Is the difference between JIT compiler and AOT compiler?
What is Ivy Renderer? What Angular is doing with Bazel Compiler?

Angular  Dependency Injection (DI)

What Is Dependency Injection (DI)? What Is Injectors?
What Are @Injectable providers? What Is Injector tree? What Is Injector bubbling?

Angular Services

What Is Angular Services? How to Setup and Create Angular Services?
What Is Angular Singleton Service?

Angular Pipes

What Is Pipe Decorator? What Is Pipe? Why use Pipes?
What Is PipeTransform interface? What Is Impure Pipe?
What Is Pure Pipe? What Are Inbuilt Pipes?
What Is Parameterizing Pipe? What Is Chaining Pipe?

Angular Routing and Navigation

What Is Routing and Navigation in Angular? What is Angular Router and Router module?
What is Routes and Route Properties? How Angular Router Works?
What Is Angular base Elements? How to Append Base URL to HTTP requests in Angular?
What Is PathLocationStrategy? What Is HashLocationStrategy?
What Is Router imports? How to configure Angular routes?
What Is Router outlet? Is it possible to have a multiple router-outlet in the same template?
What Is Angular Router link? What Is RouterLinkActive in Angular?
What Is RouterState in Routers? What Is ActivatedRoute in Routes?
What Is Router events in Angular? Routing and Navigation FAQs

Angular HttpClient

What Is HttpClient in Angular? What Is Angular HttpInterceptor?
What’s the difference between HTTP and HttpClient? HttpModule vs HttpClientModule
What Are Angular HttpHeaders? How to set a custom header on the request?
How to catch and log specific Angular errors in your app? How to Create a Custom ErrorHandler?

Form, Template, and Validations

What Are Validator functions - Async and Sync Validators? What Is a Template Reference variable?
How to bind to user input events to component event handlers? How to get user input from the $event object?
How to get user input from a template reference variable? How to Create Custom Form Validations in Angular?

Angular Cookies

What Is Angular Cookie? How to Install cookies in Angular?
What are the cookies methods? What are the Advantages of Token-Based Authentication?

Angular Interview Questions and Answers

Angular 5 Interview Questions and AnswersAngular 4 Interview Questions and Answers
Angular 2 Interview Questions and AnswersAngularJs Interview Questions and Answers
TypeScript Interview Questions and AnswersJavaScript Interview Questions and Answers
By Anil Singh | Rating of this article (*****)

Popular posts from this blog

List of Countries, Nationalities and their Code In Excel File

Download JSON file for this List - Click on JSON file    Countries List, Nationalities and Code Excel ID Country Country Code Nationality Person 1 UNITED KINGDOM GB British a Briton 2 ARGENTINA AR Argentinian an Argentinian 3 AUSTRALIA AU Australian an Australian 4 BAHAMAS BS Bahamian a Bahamian 5 BELGIUM BE Belgian a Belgian 6 BRAZIL BR Brazilian a Brazilian 7 CANADA CA Canadian a Canadian 8 CHINA CN Chinese a Chinese 9 COLOMBIA CO Colombian a Colombian 10 CUBA CU Cuban a Cuban 11 DOMINICAN REPUBLIC DO Dominican a Dominican 12 ECUADOR EC Ecuadorean an Ecuadorean 13 EL SALVA...

nullinjectorerror no provider for httpclient angular 17

In Angular 17 where the standalone true option is set by default, the app.config.ts file is generated in src/app/ and provideHttpClient(). We can be added to the list of providers in app.config.ts Step 1:   To provide HttpClient in a standalone app we could do this in the app.config.ts file, app.config.ts: import { ApplicationConfig } from '@angular/core'; import { provideRouter } from '@angular/router'; import { routes } from './app.routes'; import { provideClientHydration } from '@angular/platform-browser'; //This (provideHttpClient) will help us to resolve the issue  import {provideHttpClient} from '@angular/common/http'; export const appConfig: ApplicationConfig = {   providers: [ provideRouter(routes),  provideClientHydration(), provideHttpClient ()      ] }; The appConfig const is used in the main.ts file, see the code, main.ts : import { bootstrapApplication } from '@angular/platform-browser'; import { appConfig } from ...

React Lifecycle Components | Mounting, Updating, Unmounting

In React, each component has a life-cycle which manipulate during its three main phases. The following three phases are: 1.       Mounting 2.       Updating 3.       Unmounting React does so by “ Mounting ” (adding nodes to the DOM), “ Unmounting ” (removing them from the DOM), and “ Updating ” (making changes to nodes already in the DOM). Mounting - Lifecycle Phase 1 Mounting is used for adding nodes (elements) to the DOM. The React has four built-in methods that gets called, in this order, when mounting a component - 1.       constructor() 2.       getDerivedStateFromProps() 3.       render() 4.       componentDidMount() Note – 1)       The render() method is required and It always be called and the others methods are optional (you will call...

51 Best React Interview Questions and Answers

1) What Is React? React is a fast, open-source, and front-end JavaScript library and It was developed by Facebook in 2011 for building complex, stateful and interactive UI in web as well as mobile Applications. React follows the component based approach which helps you to building reusable and interactive web and mobile user interface (UI) components. React has one of the largest communities supporting it. The high level component Lifecycle - At the highest level component Lifecycle, React components have lifecycle events that are - 1.       Initialization 2.       State/Property Updates 3.       Destruction Explore to detail understanding   -  React Lifecycle Components Reactjs is very fast technology that can be trusted for complex tasks and can simply be trusted for quality outcomes. 2) When Reactjs released? March 2013 3) What Is the current stable version of ...

39 Best Yii2 Interview Questions and Answers - PHP Frameworks

1: What Is Yii framework? 2: Why Yii Is So Fast? 3: Yii Versions? 4: What Are the Prerequisites Yii? 5: Why Use Yii 2.0 Framework? 6: What Are the Benefits of Yii over other Frameworks? 7: What's New in Yii Release 2.0? 8: What Is The First File That Gets Loaded When You Run A Application Using Yii? 9: What Is The First Function That Gets Loaded From A Controller? 10: What Are the core components of Yii2 framework? 11: What Are the great feature of Yii Framework? 12: What Are The Application Structure of Yii 2.0 Framework? 13: What Are the Naming Convention in Yii 2.0 Framework? 14: What Is Request Life-Cycle of Yii 2.0 framework? 15: What Are Yii helpers? 16: What Are the Core Helper Classes in Yii Framework? 17: What Are The Server Requirements to Install Yii 2.0 Framework? 18: How To Customizing Helper Classes in Yii Framework? 19: What Are The Directory Structure of Yii 2.0 Framework? 20: How To Create Directory Structure of Yii Framewor...