Angular JS, popularly known as Angular.js or Angular is a comprehensive open source Java based front-end web application development framework which addresses the challenges that developers often encounter while creating single-page applications. First released in Oct’ 2010, Angular JS has went on to become one of the most preferred web app development frameworks being used by developers across the globe.
Built on the concept that declarative programming must be used for connecting the software components and creating the user interfaces, the Angular JS framework extends and adapts the conventional HTML to present the dynamic content through a two-sided data binding. This allows the automatic synchronization of views and models. With the help of dependency injection, the Angular JS brings the conventional server-side services including view-dependent controllers for the client-side web applications.
How angular js 2.2 works?
AngularJS is one of the structural frameworks for building the dynamic web apps. While letting the developers use HTML as their template language, it lets them extend the syntax of HTML to express the components of the application more succinctly and clearly. The dependency injection and the data binding features offered by AngularJS eliminate the need to write a large part of the code, thereby helping the devlopers to create the app much swiftly and achieve faster time to market. The best part is that this all happens within the browser, and thus, AngularJS acts as an ideal partner for any server technology.
The major design goals of angular js 2.2 include:
- Decoupling the DOM manipulation fom the application logic
- Decoupling the client-side of an application from the server side
- To provide a robust structure for an application building journey, from the designing UI phase to
- writing the business logic and performing testing.
Benefits offered by angular 2.2
Though there are a plethora of benefits offered by Angular 2.2, but this post gives insight on the five most prominent advantages.
Declarative user interface
Angular 2.2 leverages HTML for defining the user interface for an application. HTML, being a declarative language, is less convoluted, less brittle to reorganize and more intuitive. This is why, Angular offers a declarative user interface. With HTML, the execution of the app can be easily determined as the special attributes of this language determine which controllers should be used for each element.
Flexibility through filters
Filters are used for filtering the data prior to reaching the view, such as reversing the order of an array, implementing pagination, formatting decimal places on a number and many more. Angular 2.2 offers an exceptional flexibility through the filters and help in creating sortable HTML tables by only using filters. Moreover, it does not require anything to be written in JavaScript.
Less code required
By eliminating the need to write your MVC pipeline, putting data in a view manually, by supporting defining of views through HTML, and flexibility to write the data models without setters/ getters Angular 2.2 ensures that the AngularJS developers do not have to write long codes. Everything becomes precise when you leverage Angular 2.2 and shorter codes imply faster time to market.
Unit testing readiness
Angular 2.2 is linked together by DI (Dependency Injection) which helps in the management of scopes and controllers. As all the controllers depend on DI for passing the information, Angular-based apps are completely ready for performing the Unit Testing.
Angular eliminates the need for carrying our conventional ways of testing web apps, that is, by creating individual test pages which used to invoke one component and then would interact with it to see if it works.
Mvc implementation is simpler
In most of the web app development frameworks, the implementation of MVC requires you to split the entire app in the MVC components, and then the developers are required to write the code for stringing up these components together again. However, with Angular 2.2, all you need to do is split your app in the MVC components and rest is done by Angular itself. This means that the devlopers do not need to write the code for the pipeline to connect the components.
Aforementioned benefits of Angular 2.2 establish the fact that why it is one of the most powerful and popular frameworks. It is an ideal development framework for the generic web apps creation.
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