Advanced Angular 8 Interview Questions
In-Depth Angular 8 Interview Questions for Advanced Developers
Advanced Angular 8 Interview Questions
Advanced Angular 8 interview questions delve into complex concepts such as reactive programming, NgRx store management, dependency injection, and performance optimization. Mastering these topics signifies a deep understanding of Angular's architecture and best practices. They not only assess technical competence but also indicate the candidate's ability to design and implement scalable and maintainable enterprise-grade applications, ensuring high performance and user experience.
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1 - Explain the Angular Ivy Renderer and its advantages.
Improved performance and smaller bundle sizes due to tree shaking.
Faster initial rendering and change detection.
2) What is the Reactive Forms API in Angular and how is it different from Template driven Forms?
Reactive Forms use the RxJS library for data binding, providing more control and flexibility.
3) Describe the Change Detection Strategy in Angular.
Angular uses a zone based change detection mechanism.
Developers can fine tune change detection using strategies like OnPush.
4) Explain how to implement lazy loading in Angular using the Angular Router.
Splitting applications into smaller bundles that are loaded on demand, improving performance and reducing initial load time.
5) What is the Service Worker in Angular and how can it be used for offline caching?
Service Workers are web workers that intercept network requests, allowing for caching of resources and offline functionality.
6) How to create reactive state management systems in Angular using the RxJS library.
Using Observables and Subjects to manage state and trigger change detection when necessary.
7) Explain the purpose of Zones in Angular and how they relate to change detection.
Zones track asynchronous operations and trigger change detection at the end of a zone.
8) Describe the Angular CLI and its key features.
A powerful command line tool that simplifies Angular development and provides automation for common tasks.
9) What are Pipes in Angular and how can they be used?
Pipes are functions that transform data for display. They can be used in templates to format dates, filter data, and more.
10) Explain the concept of Dependency Injection in Angular.
A mechanism for automatically providing dependencies to components and services.
11 - Describe the RouterLink and RouterOutlet directives in Angular and how they work together.
RouterLink generates links to navigate between components, while RouterOutlet is used to display the navigated component.
12) Explain how to use Guards in Angular to protect routes.
Guards are classes that can prevent navigation to a route based on certain conditions.
13) Describe the Lifecycle Hooks in Angular and when they are called.
Hooks provide access to key moments in a component's lifecycle, allowing developers to perform specific actions.
14) What is the Ahead of Time (AOT) compiler in Angular and how does it improve performance?
AOT compiles Angular templates into JavaScript during the build process, reducing bundle size and improving startup time.
15) Explain the concept of Observables in Angular and how they are used for asynchronous data handling.
Observables are a powerful tool for handling asynchronous data streams, allowing developers to react to changes in data over time.
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- Course Overview
- Prepare for your next Angular 8 interview with this comprehensive course that covers advanced concepts and best practices. Explore complex topics such as dependency injection, component lifecycles, reactive programming with RxJS, and performance optimization techniques. Master the skills required for senior or lead Angular developer roles and confidently answer challenging interview questions.
- Course Description
- This advanced Angular 8 Interview Questions course prepares you for challenging technical interviews by tackling real-world coding problems and discussing advanced concepts. Covering dependency injection, change detection, performance optimization, and testing best practices, you'll master the nuances of Angular 8 and showcase your expertise.
- Key Features
- 1 - Comprehensive Tool Coverage: Provides hands-on training with a range of industry-standard testing tools, including Selenium, JIRA, LoadRunner, and TestRail.
- 2) Practical Exercises: Features real-world exercises and case studies to apply tools in various testing scenarios.
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Benefits of taking our course
Functional Tools
Tools Used in Course: Advanced Angular 8 Interview Questions
1 - Angular 8: The latest version of the popular JavaScript framework for building single page applications (SPAs). Angular 8 offers features such as Ivy, improved tooling, and enhanced performance.
2) TypeScript: A superset of JavaScript that adds static typing and other advanced features. TypeScript enhances the development experience by providing code safety and improving maintainability.
3) RxJS: A library for reactive programming in JavaScript. RxJS allows developers to write asynchronous code in a more concise and maintainable way.
4) Node.js: A runtime environment that allows JavaScript code to be executed outside of a browser. Node.js is used for building server side applications and scripting tools.
5) Jasmine: A testing framework for JavaScript code. Jasmine provides a simple and expressive syntax for writing tests, making it easier to ensure the correctness of Angular code.
6) Karma: A testing runner for JavaScript code that runs tests in a headless browser. Karma can be used together with Jasmine to automate the testing process.
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