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Top 54 Angular Interview Questions & Answers (2026)
54 Questions
28 Beginner
17 Intermediate
9 Advanced
About Angular
This technology is widely used in software development and is a frequent topic in technical interviews at companies of all sizes.
What to Expect in a Angular Interview
Interviews cover both foundational concepts and practical application of this technology, with questions ranging from definitions to architectural decision-making.
How to Use This Guide
Work through questions in order of difficulty to build your understanding progressively. Bookmark challenging questions and revisit them before your interview.
Curated by Tech Baithak Editorial Team · Last updated: May 2026
Beginner
28 questions
Core concepts every Angular developer must know.
01
What is Angular?
02
What is the difference between AngularJS and Angular?
03
What is a component in Angular?
04
What is a module (NgModule) in Angular?
05
What is data binding in Angular?
06
What are directives in Angular?
07
What is a service in Angular?
08
What is dependency injection (DI) in Angular?
09
What is Angular CLI?
10
What is the Angular template syntax?
11
What is Angular routing?
12
What are pipes in Angular?
13
What is Angular Forms — Template-driven vs Reactive?
14
What is the HttpClient in Angular?
15
What is Angular change detection?
16
What are lifecycle hooks in Angular?
17
What is @Input() and @Output() in Angular?
18
What is @ViewChild and @ContentChild in Angular?
19
What is the async pipe in Angular?
20
What is lazy loading in Angular?
21
What are Angular guards?
22
What is Angular interceptor?
23
What is Angular Material?
24
What is Zone.js in Angular?
25
What is an Angular module vs a standalone component?
26
What is the Angular compilation process (JIT vs AOT)?
27
What are Angular resolvers?
28
What is Angular Universal (SSR)?
Intermediate
17 questions
Practical knowledge for developers with hands-on experience.
01
What is RxJS and how is it used in Angular?
02
What is the difference between switchMap, mergeMap, concatMap, and exhaustMap?
03
What is the difference between Subject, BehaviorSubject, ReplaySubject, and AsyncSubject?
04
What is the Angular NgRx state management library?
05
What is Angular lazy loading and preloading strategy?
06
What is Angular change detection with OnPush strategy?
07
What are Angular Signals?
08
What is Angular content projection with ng-content?
09
What are Angular pipes — pure vs impure?
10
How does Angular handle memory leaks and subscription management?
11
What is Angular Reactive Forms in depth?
12
What is Angular i18n (internationalization)?
13
What is Angular animation?
14
What is the Angular HttpClient interceptor and error handling?
15
What is Angular Standalone API?
16
What is Angular environment configuration?
17
What is Angular testing with Jasmine and Karma?
Advanced
9 questions
Deep expertise questions for senior and lead roles.
01
What is Angular Ivy and how does it improve Angular?
02
How does Angular handle server-side rendering (SSR) with Hydration?
03
What is Angular's dependency injection hierarchical injector system?
04
What are Angular Signals in detail and how do they compare to RxJS?
05
What is Angular performance optimization techniques?
06
What is the Angular @defer block?
07
What is Angular CDK (Component Development Kit)?
08
What is Angular workspace and monorepo architecture?
09
What is Angular micro-frontend architecture?
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54 questions total