Basics of AngularJS:
AngularJS is an open source front-end web application framework that is used mainly for developing single page applications and maintained by Google and a group of individuals and enterprises.
History of AngularJS
AngularJS has developed seven years ago in the year 2009 by Misko Hevery. It has undergone some major changes since its invention from versions 1.0 to enhance every part of AngularJS. After version 1.3, the developers had announced that they were focusing mainly on version 2.0.
But the current stable release of AngularJS was done in January 2018 which was version 1.6.9 which added many concepts of Angular AngularJS, including the concept of component-based application architecture. The version 1.7 is scheduled to be out on June 30, 2018.
Advantages of using AngularJS
Two-way data binding: One of the most notable features of AngularJS is two-way data binding between the selected element and the OrderProp model. It largely relieves the server of the templating responsibilities.
In AngularJS, data is referenced using $scope objects. The concept of ‘$scope’ is very crucial in AngularJS as it detects changes to the model and modifies the HTML expression. The two-way data-binding and the nature of scope objects have led to the controller to be referenced as a view-model. This is the pivotal reason for AngularJS to be popular as MVVM.
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Dependency Injection: Dependency Injection is another important feature of AngularJS. It is basically nothing but a design pattern that implements inversion of control for handling dependencies. Using dependency injection, Angular brings traditionally server-side services which resultantly reduce the burden on the server.
The prominent usage of dependency injections come in the field of testing and SPA (Single Page Applications). In the case of testing, AngularJS allows the user to split the app into smaller modules that can have dependencies and lets the user import only the modules that he/she is interested in.
Allows expressing UI and reducing side effects: There are numerous benefits for declarative User interfaces. The extensions in AngularJS to HTML are done with the help of ng-directives. Some of the directives are ng-bind, ng-controller, ng-class, etc. By declaring the user interface, the chances for having side effects (An unexpected change that causes ruinous results) are reduced.
Provide Developers controls: In AngularJS, the user can easily split the functions into the MVC (Model View Controller) way. One of the most commonly heard complaints about MVC is that the various controls that it uses to make it a bit complicated. AngularJS enables a feature namely ‘directive’ that helps in creating new HTML elements and attributes. For example, ng-class is a directive that is used to conditionally apply a class.
Growth of AngularJS
This graph is a clear indication of how successful the growth of AngularJS has been over these years. This level of popularity shows that it has not just gained the interest of an individual developer, but a wide range of audience. The audience looks up to the AngularJS community with greater expectations and this was proven beyond doubt when the first batch of tickets of the second annual conference of AngularJS was sold out within a matter of two minutes.
Future of AngularJS
The payment for the ones working for this field is also in figures that are good enough to attract the professionals. The percentage of hiring for web developers has shot up considerably over the past few years.
Over these years, AngularJS has proved to be a platform that is worth the time of a web developer and a perfect benefit for the professionals who are skilled in AngularJS to showcase their talent. In case you are looking for courses related to web development, it’s high time that you pick the trend of AngularJS.