AngularJS

Angular JS is a Single Page Application framework

AngularJS is a framework created by Google.

It has an established market position and huge community support. It was one of the first frameworks to introduce the application development trend in the single page application approach. This approach allows you to create applications with which the user interacts in real time, without waiting for subpages to load and the "white page" effect. Interaction with this type of application is engaging and fluid.

AngularJS bases its operation on the MVC architectural design pattern

It assumes the division of the application into three layers, each communicating with one another: model, view and controller. These layers separate business logic from its presentation. Designs created this way are scalable and easy to maintain.

Angular JS is Asynchronous

In SPA applications, communication with the server takes place via asynchronous requests that do not block the main thread of the application. In the event of time-consuming operations on the server, the application does not have to stop. It is available all the time while data is loading in the background.

Modularity

AngularJS has a modular structure enabling work on applications even in large teams. This contributes to the rapid implementation of set goals in all types of applications, from small to very large.

Angular JS is component-based framework

One of the main principles of systems written using the AngularJS framework are components - specialized blocks responsible for specific system functions, which can be used in many places of the application. Adding new modules consisting of frequently repeating elements such as modal windows, text boxes and buttons is no longer a problem; on the contrary, it is quick and pleasant. The component approach also allows for easy and rapid modification of the appearance or the way many system components work simultaneously. Changes made to the source code of the component are propagated to all its instances.

Reactivity

AngularJS significantly facilitates the manipulation of data that is presented to the end user in real time, without the need to reload the page. All thanks to the digest loop mechanism. It checks if the current state of the variables presented in the view has changed and whether it is necessary to refresh the remaining data dependent on this variable. This approach allows developers to focus fully on the implementation of assumptions, instead of taking care of the correct state of data in various corners of the system.

Testability

AngularJS is a framework focused on building easy-to-test applications. That's why the developers used a tool called Karma. It allows you to run tests and easily integrate them with continuous integration systems. Karma supports many frameworks such as Jasmine or Mocha. Jasmine is a behavior-driven development framework for testing JavaScript code that works very well with Karma. Angular's built-in input mock tools allow you to write unit tests quickly and simply.

Easy to learn. All you need is JavaScript

To create applications using AngularJS, all you need is JavaScript, one of the most frequently used programming languages. Developers can combine the latest elements of this language with elements built into the framework. This means that there is no shortage of specialists who want to work in this technology.

Still in use

AngularJS is the older brother of the framework called Angular. Despite similar assumptions, they differ significantly from each other. The divergence of development paths did not negatively impact the AngularJS project. It is further actively supported by creators and the community that values its reliability and the multitude of libraries and add-ons.

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