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1.
What is Angular and what are its key features?
Answer:
Angular Fundamentals
- 2.
Explain data-binding in Angular. What are the different types?
Answer: - 3.
Describe the Angular application architecture.
Answer: - 4.
What is a component in Angular and how is it used?
Answer: - 5.
What are directives in Angular and can you name a few commonly used ones?
Answer: - 6.
How do you create a service in Angular and why would you use one?
Answer: - 7.
Can you explain what dependency injection is in Angular?
Answer: - 8.
What is a module in Angular and what is its purpose?
Answer: - 9.
How do you handle events in Angular?
Answer: - 10.
What is two-way binding and how do you implement it in Angular?
Answer: - 11.
Explain the difference between an Angular component and a directive.
Answer: - 12.
What are Pipes in Angular and where would you use them?
Answer: - 13.
How do you handle form submissions in Angular?
Answer: - 14.
What is Angular CLI and what can it be used for?
Answer: - 15.
Describe how to make HTTP requests in Angular using HttpClient.
Answer:
Angular Components and Data Binding
- 16.
How would you pass data from a parent to a child component?
Answer: - 17.
Can you describe how to emit events from a child component to a parent component?
Answer: - 18.
What are the lifecycle hooks available for Angular components and what do they represent?
Answer: - 19.
Explain the concept of ViewEncapsulation in Angular.
Answer: - 20.
How do you apply conditional styling to Angular components?
Answer: - 21.
What is the difference between structural and attribute directives?
Answer: - 22.
Describe how you would create a custom structural directive.
Answer:
Angular Services and Dependency Injection
- 23.
How can you make a service singleton in Angular?
Answer: - 24.
Explain how you can use Observables in services for data sharing.
Answer: - 25.
What are the different ways to provide a service in Angular?
Answer: - 26.
Can you explain the concept of providedIn in Angular services?
Answer: - 27.
How do you use HttpClient to process JSON in Angular?
Answer: - 28.
How would you handle REST API calls and error responses using services?
Answer:
Angular Routing
- 29.
How do you configure routing in Angular applications?
Answer: - 30.
Can you create a route that dynamically loads a module only when accessed?
Answer: - 31.
What is a Router Outlet and how is it used in Angular?
Answer: - 32.
How do you apply route guards in Angular?
Answer: - 33.
Explain the purpose of ActivatedRoute in Angular routing.
Answer: - 34.
What are route parameters and how do you access them in Angular?
Answer: - 35.
How would you preload data before navigating to a route?
Answer: - 36.
Can you describe how to implement lazy loading in Angular?
Answer:
Angular Forms
- 37.
Explain the difference between Template-driven and Reactive forms in Angular.
Answer: - 38.
How do you validate user input in Angular forms?
Answer: - 39.
How can you dynamically add or remove form controls in Reactive Forms?
Answer: - 40.
What are form groups and how do they work in Angular?
Answer: - 41.
How do you create custom validators in Angular forms?
Answer: - 42.
Explain how to use formArrayName to handle array type form fields.
Answer: - 43.
How do you submit form data to a backend service?
Answer:
Angular Advanced Concepts
- 44.
What is change detection, and how does Angular implement it?
Answer: - 45.
How do you optimize the performance of Angular applications?
Answer: - 46.
Can you discuss the concept of Zones in Angular?
Answer: - 47.
How do you implement server-side rendering (SSR) in Angular with Angular Universal?
Answer: - 48.
Can you explain the Ahead-of-Time (AOT) compilation versus Just-in-Time (JIT) compilation in Angular?
Answer: - 49.
Describe the decorators available in Angular.
Answer: - 50.
How would you use Angular Animations to animate transitions in your application?
Answer:
Angular Directives
- 51.
How are custom directives created in Angular?
Answer: - 52.
Can you explain the use of ngClass and ngStyle directives?
Answer: - 53.
How would you interact with DOM directly using directives?
Answer: - 54.
When should you use Renderer2 and what are its benefits?
Answer:
Angular Pipes
- 55.
How do you create a custom pipe in Angular?
Answer: - 56.
Describe the pure and impure pipes.
Answer: - 57.
What is the async pipe and how is it used?
Answer:
Angular State Management
- 58.
What is NgRx and how does it help in state management?
Answer: - 59.
Explain the concepts of Actions, Reducers, and Effects in NgRx.
Answer: - 60.
How would you persist application state across page refreshes?
Answer: - 61.
Can you discuss the concept of immutability in state management?
Answer:
Testing in Angular
- 62.
How do you test Angular components?
Answer: - 63.
Explain what TestBed is and its role in Angular testing.
Answer: - 64.
How do you mock an Angular service for testing purposes?
Answer: - 65.
Can you perform end-to-end testing in Angular? Describe the process.
Answer: - 66.
What are the differences between Jasmine and Karma in the context of Angular testing?
Answer:
Angular Performance and Optimization
- 67.
What strategies would you use to reduce the load time of an Angular application?
Answer: - 68.
Explain Lazy Loading and how it improves application performance.
Answer: - 69.
How would you implement code splitting in Angular to improve performance?
Answer: - 70.
Discuss the use of trackBy option in *ngFor for performance improvement.
Answer:
Angular Internationalization (i18n) and Localization
- 71.
How can you add support for multiple languages in an Angular application?
Answer: - 72.
Describe the process of implementing angular localization.
Answer:
Angular Security
- 73.
What are some common security best practices for Angular applications?
Answer: - 74.
How do you prevent cross-site scripting (XSS) in Angular applications?
Answer: - 75.
Can you perform authentication and authorization in Angular applications?
Answer:
Angular and TypeScript
- 76.
How does TypeScript differ from JavaScript and why is it preferred in Angular?
Answer: - 77.
What are the advantages of using TypeScript interfaces in Angular applications?
Answer: - 78.
Can you explain the use of decorators in TypeScript, providing an example in Angular?
Answer:
Angular and RxJS
- 79.
How does RxJS complement Angular applications?
Answer: - 80.
Explain the purpose of Subjects in RxJS and how they’re used in Angular.
Answer: - 81.
What are some common RxJS operators and how do you use them in Angular?
Answer:
Angular Best Practices
- 82.
What are some best practices for structuring a large Angular application?
Answer: - 83.
How do you manage global state in Angular applications?
Answer: - 84.
What are some best practices for component communication in large Angular applications?
Answer:
Angular and Mobile Development
- 85.
Can you use Angular to create mobile applications? If so, how?
Answer: - 86.
What is Ionic and how does it integrate with Angular?
Answer:
Angular CLI
- 87.
How do you add a new component, service, or module using Angular CLI?
Answer: - 88.
What are the benefits of using Angular CLI to scaffold projects?
Answer: - 89.
How do you update an Angular application to the latest version using Angular CLI?
Answer:
Angular Miscellaneous
- 90.
How can you integrate third-party libraries into an Angular application?
Answer: - 91.
What are environment variables in Angular and how would you use them?
Answer: - 92.
Can you use web workers in Angular applications and how?
Answer: - 93.
How would you handle configuration settings in Angular?
Answer: - 94.
Describe the process of data sharing between unrelated components.
Answer:
Angular Developer Tools and Workflow
- 95.
What are some popular IDEs or editors for Angular development and what features do they offer for Angular developers?
Answer: - 96.
How do you debug Angular applications?
Answer: - 97.
Explain how to use Angular Augury for performance profiling.
Answer:
Angular Interoperability
- 98.
How do you integrate Angular with other frameworks or libraries, such as React or Vue.js?
Answer: - 99.
Can you embed an Angular application inside another application?
Answer:
Angular Versioning and Upgrades
- 100.
Discuss the challenges you may face when upgrading an Angular application to a newer version.
Answer:
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