AngularJS is a development framework on JavaScript that offers some very powerful features for developers and designers of web applications. It runs on the client device and is designed to overcome the limitations of HTML, CSS and JavaScript seamlessly. Rather than simply being a haphazard bundle of development tools, AngularJS is designed to integrate with other tools while enabling the developer to invest the least amount of time and resources in the new language.

TWO WAY DATA BINDING

One of the biggest problems in development is properly interfacing the document object model (DOM) so that the sensors can traverse and manipulate it as necessary. Also, if the application model changes, the developer must change the respective DOM elements manually in order to reflect those changes. Add the complexity of allowing for user input and the burden on the developer to properly interpret the user interactions and merge them into the model as well and the process becomes very cumbersome and time-consuming. AngularJS allows for two way data binding, that is synchronisation with the model and the DOM so that no manual changes need to be made. This makes a chunk of code superfluous and frees the developer to focus their energies on better features for their application.

DECLARATIVE UI

Angular JS defines interface elements in HTML rather than in any proprietary language or syntax. Since HTML as a language is descriptive and much more intuitive to define interfaces rather than the procedural approach needed with JavaScript, AngularJS works out to be extremely useful. The resultant code is therefore easier to develop and debug and new developers can get to work immediately. Also, since execution is also handled by HTML, the developer need only define what elements need to be loaded and Angular handles all the dependencies.

AngularJS is Modular

AngularJS does not require you to redefine objects in new proprietary formats; data models used by AngularJS are no different than those used for plain old JavaScript objects. These data models are plain objects, defined as “scopes” in Angular, that further simplify development and upkeep of the code when written using AngularJS instead of some other development environment.

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SIMPLIFIES CODING

AngularJS is so designed that it requires the least amount of effort to implement. The developer does not have to write custom MVC pipeline. Simpler data models without getter/setter attributes are easier to write and implement. Use of HTML leads to easier maintenance and is more concise. Directives can be written independently of the app code as they can be added in a modular fashion later on.

USE DEPENDENCY INJECTION

AngularJS has DI built in, allowing dependencies to directly communicate with the app model instead of having to fetch data from them. This subsystem greatly simplifies the development of the application and can be used to manage all the controllers and scopes that have been defined and utilized. Since DI works on all controllers, it becomes really easy to perform unit testing; Angular actually does have a fake hypertext provider that injects fake responses to the controller inputs just for this express purpose.

These are the 5 factors which makes AngularJS a platform of choice for Developers.

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