As powerful as HTML is for defining static pages, it falls short when used for expressing dynamic views in web applications. AngularJS allows you to increase your app's functionality by using an expanded HTML language. The final setting is very evocative, easy to understand, and rapidly extensible.
AngularJS is a set of technologies that can be used to make a custom framework for your project. It can be easily used with other libraries and may be expanded upon. It is possible to change or alter any component in order to tailor the tool to your own development process and requirements. What follows is the explanation of how to do this.
When using data-binding, both the view and the model are automatically updated in response to changes in one another. This is great since it frees you from having to manipulate the Document Object Model (DOM).
Controller It is the controllers' job to ensure that the DOM elements behave as expected. AngularJS allows you to describe the behavior in a clear, legible way without the traditional boilerplate of changing the DOM, registering callbacks, or observing model changes.
In contrast to some other frameworks, you don't have to inherit from proprietary types in order to wrap the model in accessor methods. The models used by AngularJS are standard Java objects. Your code will be devoid of boilerplate and be simple to test, maintain, and reuse as a result.
The directives in AngularJS are a characteristic that sets it apart and gives it a lot of power. With directives, you may create a custom HTML syntax for your use case.
We build reusable parts with the help of directives. You can hide complicated DOM wiring, CSS, and behavior with the help of a component. So, you can separate the way the program works from how it looks and work on each one separately.
Localization is a crucial aspect of any major software. You may use AngularJS's locale-aware filters and stemming directives to make your app multilingual.
With a deep connection, you can see exactly where they are in the app. This is helpful so that users may save and share certain areas inside the program through bookmarks and email. This is inherent to round-trip applications but not to AJAX apps. With AngularJS, you get the best of both worlds—the functionality of desktop software and the advantages of deep linking.
AngularJS's dependency injection feature lets you make declarative statements about the internal structure of your program. Consequently, there is no need for the notoriously difficult-to-clean-up main() function in your program. Another essential part of AngularJS is the concept of dependency injection. As a result, you may swap out any part that isn't working for you.
AngularJS was built from the bottom up with testability in mind. It encourages activity and view to work on different things, comes with mocks out of the box, and uses dependency injection a lot. Also, an end-to-end scenario runner is included, which makes tests less likely to fail by understanding how AngularJS works.
Communication XHR and other backends through third-party libraries are only the beginning of what AngularJS has to offer in terms of its service provision. In addition to streamlining your code, promises may manage the asynchronous return of data.