Angular is a powerful framework for building web applications. To help you prepare for your next interview, here are ten common Angular interview questions along with detailed answers. 1. What is Angular? Answer: Angular is a platform and framework for building single-page client applications using HTML and TypeScript. Developed by Google, it provides a robust set of tools and features for developing dynamic web applications, including a component-based architecture, dependency injection, and powerful routing capabilities. 2. What are components in Angular? Answer: Components are the fundamental building blocks of an Angular application. Each component encapsulates its own template, styles, and behavior. Components are defined using the @Component decorator and consist of a TypeScript class, an HTML template, and optional CSS styles. They enable modular development and enhance code reusability. 3. What is a module in Angular? Answer: An Angular module is a class annotated with the
As React continues to be a leading library for building user interfaces, it's crucial to understand its core concepts. Here are ten common React interview questions along with detailed answers to help you prepare. 1. What is React? Answer: React is an open-source JavaScript library developed by Facebook for building user interfaces, particularly single-page applications. It allows developers to create reusable UI components, manage the application state efficiently, and optimize rendering performance using a virtual DOM. 2. What are components in React? Answer: Components are the building blocks of a React application. They are JavaScript functions or classes that return a React element, which is a description of what the UI should look like. Components can be functional (stateless) or class-based (stateful), and they can accept inputs called "props" to render dynamic content. 3. What is the virtual DOM? Answer: The virtual DOM is a lightweight representation of the a