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AngularJS is a toolset for building the framework most suited to your application development maintained by Google. |
It is fully extensible and works well with other libraries. Every feature can be modified or replaced to suit your unique development workflow and feature needs. Read on to find out how. AngularJS lets you extend HTML vocabulary for your application. The resulting environment is extraordinarily expressive, readable, and quick to develop.
Note: AngularJS support has officially ended as of January 2022. Try the new Angular.
Other frameworks deal with HTML’s shortcomings by either abstracting away HTML, CSS, and JavaScript or providing an imperative way to manipulate the DOM. Neither addresses the root problem that HTML was not designed for dynamic views.
Features and Highlights
Data Binding
Data-binding is an automatic way of updating the view whenever the model changes and updating the model whenever the picture changes. This is awesome because it eliminates DOM manipulation from the list of things you must worry about.
Controller
Controllers are the behavior behind the DOM elements. AngularJS for PC lets you express the behavior in a clean, readable form without the usual boilerplate of updating the DOM, registering callbacks, or watching model changes.
Plain JavaScript
Unlike other frameworks, there is no need to inherit from proprietary types to wrap the model in accessors methods. AngularJS models are plain old JavaScript objects. This makes your code easy to test, maintain, reuse, and again free from boilerplate.
Directives
Directives are a unique and powerful feature available in AngularJS. Directives let you invent new HTML syntax specific to your application.
Reusable Components
A component allows you to hide complex DOM structure, CSS, and behavior. This lets you focus on what the application does or how the application looks separately.
Localization
An essential part of serious apps is localization. AngularJS’s locale-aware filters and stemming directives give you building blocks to make your application available in all locales.
Deep Linking
A deep link reflects where the user is in the app. This is useful so users can bookmark and email links to locations within the app. Round-trip apps get this automatically, but AJAX apps, by their nature, do not. It combines the benefits of deep linking with desktop app-like behavior.
Form Validation
Client-side form validation is an integral part of a great user experience. It lets you declare the validation rules of the form without having to write JavaScript code. Write less code, and have beer sooner.
Server Communication
It provides built-in services on top of XHR and various other backends using third-party libraries. Promises further simplify your code by handling the asynchronous return of data.
Injectable
The dependency injection in the app allows you to describe how your application is wired declaratively. This means that your application needs no primary method, usually an unmaintainable mess. Dependency injection is also a core to AngularJS Desktop. Any component that does not fit your needs can easily be replaced.
Testable
It was designed from the ground up to be testable. It encourages behavior-view separation, comes pre-bundled with mocks, and takes full advantage of dependency injection. It also comes with the end-to-end scenario runner, which eliminates test flakiness by understanding the inner workings of AngularJS.
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