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Why use Angular

Angular is a powerful open-source front-end web application framework developed and maintained by Google. Angular is used for creating single-page applications—this means that your web application is essentially a single HTML page, which is dynamically updated as per user interactions. Now, why use Angular? Let's explore some of the major reasons:

1. MVC Architecture​

Angular uses Model-View-Controller (MVC) architecture. This design pattern is used in software engineering for separating an application into three interconnected components. This allows developers to work on individual components without affecting the others, leading to increased efficiency and ease of development.

- Model: Represents data and business rules of an application.
- View: This is what the user sees. It represents the UI of an application.
- Controller: Acts as a bridge between Model and View. It takes user inputs from the view, processes them, and updates the model.

2. Two-Way Data Binding​

Angular provides two-way data binding. This means that any changes in the model will automatically update the view and vice versa.

For example, when you type text into a textbox which is bound to a model property, you see the changes immediately reflected in all the other places where it is used.

3. Dependency Injection​

Dependency injection is a design pattern which allows the creation of dependent objects outside of a class and provides those objects to a class through different ways. Angular has built-in dependency injection which aids in making the application easier to develop, understand, and test.

4. Easy Testing​

Angular is designed to be testable so you can create high-quality apps. It has strong support for testing, allowing developers to create robust and reliable software products. 

For instance, Angular comes with an end-to-end testing setup, Protractor, which allows you to test your application as users would see it.

5. Use of Directives​

Angular uses directives which allows developers to invent new HTML syntax, specific to their application. 

For example, Angular has built-in directives like ngBind, ngModel etc., that can be used to bind data to HTML elements.

6. Community Support​

Being backed by Google, Angular has a large community of developers. This means that you can find a plethora of resources, tutorials, and forums online. Moreover, you can also get help and support from the community if you encounter any issues or difficulties.

In conclusion, Angular is a comprehensive solution for rapid front-end development. It does not need any other plugins or frameworks. Moreover, its strong features like two-way data binding, dependency injection, directives, and testability make Angular a very powerful JavaScript framework. Whether you're a seasoned developer or just starting out in the field of web development, Angular is a great tool to have in your skill set.