Category: Angular

Posted on: June 27, 2025 Posted by: rahulgite Comments: 0

Angular Performance Optimization Tips

Here are some key points, descriptions, and examples to help improve performance in Angular applications: 1. Use OnPush Change Detection Strategy Description: The default change detection strategy checks the whole component tree. OnPush only checks when inputs change or events occur, reducing unnecessary checks. Example: 2. Lazy Load Feature Modules Description: Load modules only when they are needed rather than at the start. This reduces initial load time. Example: 3.…

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Posted on: April 5, 2025 Posted by: rahulgite Comments: 0

Angular Version-wise Feature Summary

Angular 2 (2016) Angular 4 (2017) Angular 5 (2017) Angular 6 (2018) Angular 7 (2018) Angular 8 (2019) Angular 9 (2020) Angular 10 (2020) Angular 11 (2020) Angular 12 (2021) Angular 13 (2021) Angular 14 (2022) Angular 15 (2022) Angular 16 (2023) Angular 17 (2023) Angular 20 (2024) Here are the key new features introduced in Angular 20: 1. Standalone Components as Default Description: Angular 20 promotes standalone components to…

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Posted on: January 19, 2025 Posted by: rahulgite Comments: 0

Angular Interview Questions and Answers

This document compiles a comprehensive set of Angular interview questions with detailed explanations, examples, and implementation steps. 1. What is the whole goal of Angular? Angular is a JavaScript binding framework that connects HTML UI with JavaScript models. This reduces the need for lengthy code to bind data. It supports building Single Page Applications (SPAs) with routing and includes features like HTTP, dependency injection (DI), and input/output handling. 2. What…

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Posted on: January 19, 2025 Posted by: rahulgite Comments: 0

Angular Universal (SSR) Interview Questions with Answers, Examples, and Steps to Implement

Angular Universal enables server-side rendering (SSR) for Angular applications, enhancing performance, SEO, and user experience. Below are 20 in-depth questions and answers covering Angular Universal, along with examples and implementation steps. 1. What is Angular Universal? Angular Universal is a framework for server-side rendering (SSR) of Angular applications. It renders Angular apps on the server instead of the client browser, improving performance and search engine optimization (SEO). Example Instead of…

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Posted on: January 19, 2025 Posted by: rahulgite Comments: 0

Security in Angular: Detailed Questions and Answers

This section covers detailed explanations, examples, and implementation steps for 20 key security-related questions in Angular. 1. How do you protect against Cross-Site Scripting (XSS) in Angular? Answer Angular provides built-in DOM sanitization to prevent XSS attacks by default. Angular automatically escapes data bound to templates using interpolation or property binding. Steps to Implement Example 2. What is DOM sanitization in Angular? Answer DOM sanitization ensures that Angular removes or…

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Posted on: January 19, 2025 Posted by: rahulgite Comments: 0

Angular Performance Optimization: Detailed Q&A with Examples

This section focuses on Angular performance optimization concepts, answering key questions with detailed explanations, examples, and steps to implement. 1. What are some ways to optimize Angular applications? Answer: Angular applications can be optimized using techniques like: Example: Steps to Implement: 2. How does change detection work in Angular? Answer: Change detection checks the component tree for updates and synchronizes the view with the model. Steps: Example: 3. What is…

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Posted on: January 19, 2025 Posted by: rahulgite Comments: 0

Testing in Angular: Comprehensive Guide

Testing is a crucial part of Angular development. It ensures the application is robust, reliable, and free from bugs. Below is a detailed guide covering 20 key questions about testing in Angular, with descriptions, examples, and steps to implement. 1. What is unit testing in Angular? Unit testing verifies individual units of code (like components, services, or directives) in isolation. Steps to Implement Example 2. How do you test an…

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Posted on: January 19, 2025 Posted by: rahulgite Comments: 0

Angular Observables and RxJS

This section explores the concept of Observables and RxJS in Angular, covering detailed answers, examples, and step-by-step implementation for commonly asked questions. 1. What are Observables in Angular? Answer: Observables are a key feature of RxJS and are used in Angular for handling asynchronous operations such as HTTP requests, user inputs, and more. They represent a stream of data that can be observed over time. Example: Output: Steps to Implement:…

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Posted on: January 19, 2025 Posted by: rahulgite Comments: 0

Angular Pipes: Questions and Detailed Answers

Angular pipes are a powerful way to transform and format data in templates. Below are 20 key questions related to Angular pipes, with detailed answers, examples, and implementation steps. 1. What are pipes in Angular? Answer: Pipes are simple functions in Angular that transform input data into a desired output format. They are used within templates to format strings, currency, dates, etc. Example: This transforms the today variable into a…

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Posted on: January 19, 2025 Posted by: rahulgite Comments: 0

Forms in Angular: Detailed Explanation and Examples

Angular forms are used to handle user input, validation, and form data management in web applications. Angular provides two main types of forms: template-driven and reactive forms. Below are 20 questions with detailed answers, examples, and implementation steps related to Angular forms. 1. What are the two types of forms in Angular? How do they differ? Answer: Example: Template-Driven Form: Reactive Form: 2. How do you create a template-driven form…

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