What is AngularJS?

In the Software Constr. class, I was presented for the first time with the angularjs front-end web framework. AngularJS is a structural framework for dynamic web apps. It lets you use HTML as your template language and lets you extend HTML’s syntax to express your application’s components clearly and succinctly. AngularJS’s data binding and dependency injection eliminate much of the code you would otherwise have to write. And it all happens within the browser, making it an ideal partner with any server technology.

I had the chance to work a little with this framework and I understand some part of it how it works. Angular has the following key features which makes it one of the powerful frameworks in the market.

 MVC – The framework is built on the famous concept of MVC (Model-View-Controller). This pattern is based on splitting the business logic layer, the data layer, and presentation layer into separate sections. The division into different sections is done so that each one could be managed more easily.

Data Model Binding – You do not need to write special code to bind data to the HTML controls. This can be done by Angular by just adding a few snippets of code.

Writing less code – When carrying out DOM manipulation a lot of JavaScript was required to be written to design any application. But with Angular, you will be amazed with the lesser amount of code you need to write for DOM manipulation.

Unit Testing ready – The designers at Google not only developed Angular but also developed a testing framework called “Karma” which helps in designing unit tests for AngularJS applications.

There are some advantages for this framework.

Since it is an open-source framework, you can expect the number of errors or issues to be minimal.

Two-way binding – Angular.js keeps the data and presentation layer in sync. You do not need to write additional JavaScript code to keep the data in your HTML code and your data later in sync. Angular.js will automatically do this for you.

Angular can take care of routing which means moving from one view to another. This is the key fundamental of single page applications; wherein you can move to different functionalities in your web application based on user interaction but still stay on the same page.

It extends HTML by providing its own elements called directives.  So why Angular? While AngularJS does not suit every project idea, it builds amazing apps. The most valuable reasons of AngularJS usefulness lie in their concepts and benefits that they provide. Nowadays with all marketing strategies and technologies to find a worth product has become a real challenge. Besides, it is easy to lose yourselves among all those benefits that are listed by every product. And it is even harder to find those ones you really need and that really suits your idea.

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