69 Best Angular 2 Interview Questions and Answers [Angular 2]
Angular Book - Angular 2, Angular 4 and Typescript Interview Questions and Answers!
Basic Questions
- 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 Setting 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 major changes in Angular 2?
- What are the core components of Angular 2?
- What set of modern browsers are 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?
Components Questions
- 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 is 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?
Services Questions
- 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 HTTP Client is Interact with Angular 2 Servers?
- What the best way to inject one service into another in angular 2?
Template Questions
- 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?
Ng-Modules Questions
- What is the purpose of NgModule??
- How do you decide to create a new NgModule?
- What would you have in a shared module?
- What is the purpose of exports in a NgModule?
- Angular 2 Modules vs. JavaScript Modules
- What is the difference between a module's forRoot() and forChild() methods and why do you need it?
ECMA Script and TypeScript Questions
- What is ECMAScript ES5/ES6?
- What is “ES6 +A”?
- What is TypeScript in Angular 2?
- Why should I use Typescript ?
- What are Types in TypeScript?
- TypeScript Advantages - Pros and Cons!
- How to Setup and Install Typescript NPM and Angular 2
- What is an Interface in TypeScript?
- What is Functions in TypeScript? How many types you defined in TypeScript?
- TypeScript - The Fundamental Concepts!
- How Work Automatic Assignment of Constructor Parameters in TypeScript?
- What is Typings in Angular 2?
- Why type definition with TypeScript in Angular 2?
- Can I use Angular 2 with Typings in Angular 2?
- Are Typescript type definitions Required?
- Do we only need type definition files not “node_modules”?
- How to create custom type definitions in Angular 2?
- How to load file in your Angular 2 project?
- Dynamic vs. Static Typing?
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