Skip to main content

Angular 7 Interview Questions and Answers | A Complete Guide Book

» Preparing for an Interview is not less than a challenge so “Are you preparing for Angular Interview? Buy this book (Including Version 7, 6, 5,4, 2)”  to clear your interview hassle free.


What Is Angular? What's New In Angular 7?
What Is Architecture Overview of Angular? What Is Bootstrapping in Angular?
How to update Angular 6 to Angular 7? How to Setup Angular 7 local development environment?
What Is UrlSegment Interface in Angular 7? What is Ivy rendering engine in Angular 7?
What is Angular Compatibility Compiler (ngcc) in Angular 7? What Is KeyValuePipe in Angular 7?
What is DoBootstrap (ngDoBootstrap ) in Angular 7? What Is Drag & Drop feature with Handle and Sorting in Angular 7?
What Is an Original Placeholder value on extracted XMB in Angular 7? What Is Virtual Scrolling (ScrollingModule) and example?

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? How to Create a Custom 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

Angular 7 Interview QuestionsAngular 6 Interview Questions
Angular 5 Interview QuestionsAngular 4 Interview Questions and Answers
Angular 2 Interview QuestionsAngularJs Interview Questions and Answers
TypeScript Interview QuestionsJavaScript Interview Questions and Answers
By Anil Singh | Rating of this article (*****)

Popular posts from this blog

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 ...

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...

39 Best Object Oriented JavaScript Interview Questions and Answers

Most Popular 37 Key Questions for JavaScript Interviews. What is Object in JavaScript? What is the Prototype object in JavaScript and how it is used? What is "this"? What is its value? Explain why "self" is needed instead of "this". What is a Closure and why are they so useful to us? Explain how to write class methods vs. instance methods. Can you explain the difference between == and ===? Can you explain the difference between call and apply? Explain why Asynchronous code is important in JavaScript? Can you please tell me a story about JavaScript performance problems? Tell me your JavaScript Naming Convention? How do you define a class and its constructor? What is Hoisted in JavaScript? What is function overloadin...

25 Best Vue.js 2 Interview Questions and Answers

What Is Vue.js? The Vue.js is a progressive JavaScript framework and used to building the interactive user interfaces and also it’s focused on the view layer only (front end). The Vue.js is easy to integrate with other libraries and others existing projects. Vue.js is very popular for Single Page Applications developments. The Vue.js is lighter, smaller in size and so faster. It also supports the MVVM ( Model-View-ViewModel ) pattern. The Vue.js is supporting to multiple Components and libraries like - ü   Tables and data grids ü   Notifications ü   Loader ü   Calendar ü   Display time, date and age ü   Progress Bar ü   Tooltip ü   Overlay ü   Icons ü   Menu ü   Charts ü   Map ü   Pdf viewer ü   And so on The Vue.js was developed by “ Evan You ”, an Ex Google software engineer. The latest version is Vue.js 2. The Vue.js 2 is very similar to Angular because Evan ...

React | Encryption and Decryption Data/Text using CryptoJs

To encrypt and decrypt data, simply use encrypt () and decrypt () function from an instance of crypto-js. Node.js (Install) Requirements: 1.       Node.js 2.       npm (Node.js package manager) 3.       npm install crypto-js npm   install   crypto - js Usage - Step 1 - Import var   CryptoJS  =  require ( "crypto-js" ); Step 2 - Encrypt    // Encrypt    var   ciphertext  =  CryptoJS . AES . encrypt ( JSON . stringify ( data ),  'my-secret-key@123' ). toString (); Step 3 -Decrypt    // Decrypt    var   bytes  =  CryptoJS . AES . decrypt ( ciphertext ,  'my-secret-key@123' );    var   decryptedData  =  JSON . parse ( bytes . toString ( CryptoJS . enc . Utf8 )); As an Example,   import   React   from ...