Angular 1 Year Experience Interview Questions
Interview Questions for Angular Developers with 1 Year of Experience
Angular 1 Year Experience Interview Questions
Angular Interview Questions for 1 year of Experience are designed to assess a candidate's understanding of Angular concepts like directives, services, components, routing, and change detection. They also evaluate familiarity with testing frameworks like Jasmine and Karma, which are crucial for building and maintaining Angular applications. By evaluating these areas, interviewers can gauge the candidate's ability to develop, test, and maintain Angular applications.
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1 - Explain the concept of Angular components.
Components are reusable building blocks in Angular that encapsulate related view logic and data. They facilitate modularity and code organization.
2) Describe the role of services in Angular.
Services are used to perform tasks in Angular that are not tightly coupled to views, such as data management, fetching, and communication with back end systems.
3) What is data binding in Angular?
Data binding is a mechanism in Angular that allows data to be synchronized between the component model and the DOM. Two way data binding enables automatic updates to both the view and the component when either is modified.
4) Explain the difference between Angular's @Input() and @Output() decorators.
@Input() allows data to be passed into a component from outside, while @Output() allows events to be emitted from a component to its parent or other components.
5) What is the purpose of the ngOnInit() lifecycle hook?
ngOnInit() is invoked after the first check of data bound properties and before the first change detection cycle. It is commonly used to initialize component properties and fetch data.
6) How does Angular handle routing?
Angular uses a declarative routing system where routes are defined in the RouterModule. It provides powerful features like lazy loading, URL parameters, and navigation guards.
7) Explain the purpose of dependency injection in Angular.
Dependency injection allows components and services to be created with the dependencies they need. It simplifies code reusability, testing, and maintainability.
8) Describe the use of pipes in Angular.
Pipes are transformations that can be applied to data in Angular templates. They enable data formatting, filtering, and sorting.
9) What are the advantages of using NgRx for state management in Angular?
NgRx provides a reactive state management pattern that improves performance, code organization, and testability. It employs observables to handle state changes and ensures data consistency.
10) How do you ensure accessibility in Angular applications?
Angular offers built in accessibility features such as aria attributes, keyboard navigation, and support for assistive technologies. Adhering to WAI ARIA guidelines and using accessibility tools is essential.
11 - Explain the difference between ng content and ng template.
ng content allows the projection of content from the parent component into the child component. ng template defines a reusable template that can be instantiated multiple times.
12) Describe the purpose of rxjs in Angular.
rxjs (Reactive Extensions for JavaScript) provides a library of reactive programming operators that enhance data streams in Angular. It enables efficient handling of asynchronous events and stream manipulation.
13) What are the key features of Angular's template syntax?
Angular's template syntax uses AngularJS style syntax with added features such as property binding, event binding, ngIf, ngFor, and ngSwitch. It allows for declarative and dynamic data rendering.
14) Explain the concept of change detection in Angular.
Angular uses a change detection mechanism to efficiently detect changes in application data. It checks for changes in components and their dependencies, ensuring that only the affected parts are updated.
15) Describe the purpose of the @ViewChild and @ViewChildren decorators.
@ViewChild allows access to a child component or directive from the parent component, while @ViewChildren provides a list of all child components or directives.
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- Course Overview
- This comprehensive course empowers you with the latest and most relevant interview questions to excel in job interviews for Angular 1 year experience positions. Covering all aspects of Angular development, including core concepts, best practices, and real-world application scenarios, this course provides the knowledge and confidence needed to showcase your skills effectively and land your dream job.
- Course Description
- Prepare for Angular interviews with our comprehensive course designed for candidates with 1 year of experience. Learn about Angular fundamentals, core concepts, RxJS, component interaction, testing, performance optimization, and advanced use cases. Practice with real-world interview questions to build confidence and showcase your expertise.
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Benefits of taking our course
Functional Tools
Tools used in course ‘Angular 1 year experience interview questions’:
- Angular CLI: Command line interface for generating and managing Angular projects.
- 2. Angular Material: Collection of reusable UI components for building web applications.
- 3. RxJS: Reactive programming library for asynchronous event handling and data management.
- 4. NPM: Package manager for installing and managing JavaScript libraries.
- 5. Angular Universal: Tool for rendering Angular applications on the server side for improved SEO and performance.
- 6. Jest: Testing framework for writing unit and integration tests.
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Interview Questions in Angular
