Angular 2 Interview Questions || 25+ TOP MNC’s FAQ

Angular 2 Interview Questions: Angular 5 is the latest framework released in 2018 which is also popularly known as Angular 2 version. Below are the FAQs asked in every interview.

  • What is Angular 2?
  • What are the fundamentals concepts of Angular 2?
  • What Are The New Features Of Angular 2? Why You Used Angular 2?
  • What are advantages of Angular 2?
  • How Can We Set Up Our Development Environment For Angular 2?
  • What are TypeScript Types? In Detail?
  • What is AOT Compilation? – Pros and Cons of Ahead-of-Time!
  • What is Lazy Loading and How to enable Lazy Loading?
  • How would you Optimize the Angular 2 Application for Better Performance?
  • What are the Securities Threats should we be Aware of in Angular 2 Applications?
  • What are significant changes in Angular 2?
  • What are the core components of Angular 2?
  • What is the set of modern browsers supported in Angular 2?
  • What are differences between Angular 2 and Angular 1?
  • Can you write both Angular 1 and Angular 2 codes in a single project?
  • What are differences between Constructors and OnInit?
  • What did you like about working with Angular 2?
  • When will ngInit be called?
  • How would you make use of NgOnInit()?
  • What is the difference between NgOnInit() and constructor() of a component?
  • What is the possible order of life-cycle hooks?
  • What is the Best way to Declare and Access a Global Variable in Angular 2?
  • What is Angular 4? What’s New in Angular 4?
  • What is Angular 5? What’s New in Angular 5?
  • What’s New in Angular 6?
  • What is Components in Angular 2?
  • What are differences between Components and Directives?
  • What are Components Life-Cycles?
  • What is @Inputs in Angular 2?
  • What are Outputs in Angular 2?
  • What is hidden property in Angular 2?
  • How do components communicate with each other?
  • How would you create a component to display error messages throughout your application?
  • What are the difference between Renderer and ElementRef in angular 2?
  • What is an Angular 2 Service?
  • What are the features of Angular 2 Service?
  • What are the differences between Observables & Promises?
  • How To Create & Call Angular 2 Services in Components?
  • How do we create a singleton service in Angular 2?
  • How is HTTP Client Interact with Angular 2 Servers?
  • What the best way to inject one service into another in angular 2?
  • What is Pipes? Why use Pipes?
  • What is a pure and impure pipe?
  • What is Async Pipe?
  • How to create and use a custom Pipes?
  • Pipes Examples
  • What are Directives in Angular 2?
  • What is router-outlet directive in Angular 2?
  • What is a structural directive?
  • How do you identify a structural directive in HTML?
  • What is Template Angular 2? Why Use?
  • What are differences between template and templateUrl?
  • What are differences between templateUrl and styleUrls?
  • What is a template variable? How would you use it?
  • How to use {}, [], [] and [()] in Angular2 Template?
  • How can you add an active class to a selected element in a list component?
  • How to use style-URLs and styles in Angular 2?
  • How to import CSS using system import?
  • How to Load external CSS style into Angular 2?
  • What is Routing Concepts in Angular 2?
  • What is Routes?
  • What is Router Imports?
  • What is RouterOutlet?
  • Is it possible to have a multiple router-outlet in the same template?
  • What is RouterLink?
  • What are cookies in Angular 2?
  • How would you pass data from a parent component to a child component?
  • How would you pass data from a child component to a parent component?

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