Angular Interview Questions
Master Angular with our comprehensive collection of 43 interview questions covering everything from basics to advanced concepts.
43 Questions
Curated
5 Categories
Organized
Detailed
Answers
Basic
13 Questions1
What is Angular, and how is it different from AngularJS?
2
Key features of Angular?
3
Explain Angular's architecture.
4
Explain Angular's new architecture.
5
Purpose of TypeScript in Angular?
6
Components in Angular?
7
Data binding in Angular?
8
What is a module in Angular?
9
What is Standalone Components?
10
Signals in angular?
11
Angular CLI?
12
Decorators in Angular?
13
Directives in Angular?
Intermediate
9 Questions21
What is angular's new control flow?
22
What are @Input() and @Output() decorators?
23
Angular Pipes?
24
What is the difference between Template-Driven Forms and Reactive Forms in Angular?
25
What are lifecycle hooks in Angular? Explain ngOnInit and ngOnDestroy
26
How is dependency injection implemented in Angular?
27
What are Angular services, and how do you create one?
28
What is RxJS, and how is it used in Angular?
29
What are Observables, and how are they different from Promises?
Advanced
8 Questions41
Explain about Content Projection in Angular?
42
How do you manage state in an Angular application?
43
What is the purpose of ViewChild and ContentChild in Angular?
44
How do you optimize an Angular application for better performance?
45
What is AOT (Ahead-of-Time) Compilation in Angular?
46
What is the difference between constructor and ngOnInit in a component?
47
What are Angular animations, and how are they implemented?
48
How does Angular handle error management and debugging?
Scenario-Based
9 Questions61
How would you debug a slow Angular app?
62
How do you secure an Angular application from vulnerabilities like XSS and CSRF?
63
How do you handle large datasets in Angular without compromising performance?
64
Explain how you would implement dynamic forms in Angular?
65
How do you handle multiple API calls simultaneously in Angular?
66
What would you do if a component's ngOnInit is not executing?
67
How would you share data between sibling components?
68
How do you ensure a component only loads after data is fetched from an API?
69
What steps would you take to migrate an AngularJS project to Angular?
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