AngularJS, which is a JavaScript framework, provides a range of features designed to enhance the development of dynamic, single-page web applications (SPAs).
Here are the key features of AngularJS:
Two-way Data Binding: AngularJS automatically synchronizes data between the model and the view. When the model changes, the view reflects the update, and when the view changes (e.g., through user input), the model is updated accordingly.
MVC Architecture (Model-View-Controller): AngularJS follows the MVC architecture, which helps in separating the concerns of the application. This makes it easier to manage the application code and maintain it in a structured way.
Directives: Directives are special markers on DOM elements (attributes, elements, classes, etc.) that add behavior to the DOM. Common examples include ng-model, ng-repeat, and ng-if.
Dependency Injection (DI): AngularJS has a built-in dependency injection system that provides dependencies (like services, factories, etc.) to different parts of an application. This improves modularity and makes the application easier to test and maintain.
Deep Linking: With AngularJS, URLs can be deeply linked to application states, enabling the sharing of specific URLs to represent a view or state in the application. This is helpful in single-page applications (SPAs) for bookmarking and navigation.
Filters: Filters are used to format the data for display in the view. For example, you can use filters to format dates, numbers, or filter lists based on criteria.
Routing: AngularJS allows for routing within the application, enabling the display of different views based on the URL. This helps to build single-page applications (SPA) where only parts of the page are updated when the user navigates.
Testing: AngularJS is designed with testing in mind. It provides tools to test both the components and the services of the application. It encourages writing unit tests and supports various testing frameworks.
Templates: AngularJS uses HTML as its template language. It extends the capabilities of HTML by providing dynamic features like data binding and directives, making it easy to build rich user interfaces.
Animations: AngularJS supports built-in support for animations and provides APIs to easily animate elements when their state changes (such as when items are added or removed from a list).
End-to-End Tooling: AngularJS provides end-to-end tooling for setting up the development environment, managing dependencies, building the application, and testing it.
These features combine to make AngularJS a powerful and flexible framework for building modern, scalable web applications.