Angular is a TypeScript-based web framework developed by Google for building dynamic single-page applications with features like dependency injection and RxJS integration.

RxJS is a reactive programming library that provides Observable pattern implementation, allowing you to work with asynchronous data streams in Angular applications.

Top Angular Interview Questions and Answers for Developers

Q: What is dependency injection in Angular?

Dependency Injection is a design pattern where Angular provides required dependencies to components and services, improving modularity, testability, and maintainability.

21. What are Angular directives?

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22. What is the difference between structural and attribute directives?

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23. How does *ngIf work?

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24. What is the difference between *ngIf and [hidden]?

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25. How does *ngFor work?

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26. What is trackBy in ngFor and why is it important?

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27. What are built-in Angular directives?

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28. How do custom directives work?

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29. What is dependency injection in Angular?

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30. Why is dependency injection important?

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