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Question: What is Angular NgZone and why is it used?
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Answer: Angular NgZone is a service that provides a zone and allows developers to explicitly run certain code outside
Angular's change detection zone. It is used to optimize performance and manage asynchronous operations that trigger change detection
in Angular applications.
The NgZone is particularly useful for integrating third-party libraries, managing long-running tasks, or handling browser events.
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Question: What is Angular Universal?
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Answer: The Angular Universal is a technology used for server-side rendering (SSR) of Angular applications.
It allows Angular applications to be rendered on the server side before being sent to the client, which can improve performance,
enable better search engine optimization (SEO), and enhance the user experience, especially for initial page loads.
Angular Universal supports Angular's full feature set, including data binding and routing.
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Question: What is Angular Material?
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Answer: The Angular Material is a UI component library for Angular applications that follows Google's Material Design guidelines.
It provides a set of reusable and customizable UI components such as buttons, cards, inputs, dialogs, menus, etc., to streamline
the development of Angular applications and ensure consistency in design and user experience.
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Question: What is Angular Ivy and what are its benefits?
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Answer: Angular Ivy is the next-generation rendering engine and compiler for Angular applications. It offers several benefits, including:
• Improved build times and smaller bundle sizes.
• Better debugging and error messages.
• Improved type checking and template type inference.
• Enhanced tree-shaking capabilities for dead code elimination.
• Improved performance, especially for large applications.
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Question: How can you handle form validation in Angular?
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Answer: Angular provides both template-driven and reactive forms for handling form validation.
• For template-driven forms, you can use Angular's built-in directives like ngModel, ngModelGroup, and template-driven form validation attributes like required, minlength, maxlength, etc.
• For reactive forms, you can use Angular's FormControl, FormGroup, and FormBuilder classes along with validators provided by Angular or custom validators to implement form validation logic programmatically.
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Question: What is Angular HttpClient Interceptor and how is it used?
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Answer: Angular HttpClient Interceptor is a feature that allows you to intercept HTTP requests and responses
globally in an Angular application. Interceptors are used for tasks like adding headers, handling errors, modifying requests
or responses, logging, etc.
One can create custom interceptors by implementing the HttpInterceptor interface and registering them in the application's injector.
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