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This post lists some introductory questions and answers related to Angular Framework. Check out the full Angular Interview Series – Topic Wise Q&A if you are preparing for a Frontend Engineer role specializing in Angular. If you are just beginning to learn Angular, these topic wise questions and answers will be helpful to evaluate your skills as you progress through the Angular Developer Curriculum.
1. What is Angular?
Angular is a frontend framework for building single-page client applications using HTML and TypeScript. Angular is developed and maintained by Google. It provides a robust set of tools and libraries for building scalable web applications.
2. What is TypeScript and why is it used in Angular?
TypeScript is an open-source high-level programming language developed by Microsoft .TypeScript is a superset of JavaScript that adds static typing, interfaces, and other features to enhance code quality and maintainability.
Angular is built using TypeScript, which helps developers catch errors during development and improve the overall development experience.
3. How is Angular related to React and Vue?
Angular, React and Vue are all used to develop frontend applications using JavaScript programming. Angular is not just a library like React or Vue, Angular has opinion for a wide range of modern web development expectations. Angular consists of a collection of well-integrated libraries that cover a wide variety of features, including routing, forms management, state management, client-server communication, and more.
4. What is Angular CLI?
Angular CLI (Command Line Interface) is a powerful tool that helps developers create, manage, test and build Angular applications efficiently. It also provides commands for generating angular components, services, and other building blocks.
5. What are the key features of Angular?
- Two-way Data Binding: Synchronizes data between model (programmable component) and view (html template)
- Component-based Architecture: Every visible unit can be a component in Angular. It encourages reusability and modularity.
- Dependency Injection: Promotes cleaner code and easier testing by allowing to inject external classes and not defining them
- Directives: Extend HTML with custom attributes and behaviors.
- Routing: Facilitates navigation between different views in an application
6. What is the current version of Angular?
The current stable version of Angular is 18 i.e. released on April 24, 2024.
These are a few questionnaires for Introducing Angular. To know more about the Angular Framework please refer to the Official Website on Angular.