What is AngularJS?

AngularJs is a continuously growing and expanding Javascript open-source framework which is used to develop single-page web applications. As a framework, it uses multiple code templates written in HTML in order to perform a particular function. It is one of the most popular modern-day web frameworks and this has been developed by a group of developers from Google itself.

Why should you use AngularJS?

Easy to work with

To work with AngularJS you should have a basic knowledge of HTML, CSS, and Javascript no need to be an expert on this.

Ready to use a template 

It is generally plain HTML and makes use of the plain HTML template and passes it to the DOM and then the AngularjS compiler. Then it traverses the templates and then they are ready to use.

Time-saving 

one of the best is that it allows us to work with components which we can use again which saves time and unnecessary code.

High performance

It is one of the most powerful frameworks because of its vigorous features which are- filters, animations, form validation, API client and routing. All these simultaneously make web applications much more efficient and simple.

Features of AngularJS

It has multiple key features which make it one of the most popular frameworks across the globe and they are

1- MVC (Model-View-Controller) 

This framework is built on one of the most famous concepts of MVC. This is actually a design pattern used in all modern-day web applications. The main goal of this pattern is to split the business layer, the data layer, and the presentation layer into distinct or separate sections. As a result, every section can be managed easily and effectively.

2- Less Code Writing

What happens is a lot of javascript code is required to be written to design any applications every time whenever a DOM manipulation is done. But at the same time with Angular, you don't need to write so many codes for manipulation.

3- Data Model Binding

You can bind data to HTML controls with the help of Angular by just adding a few snippets of code rather than writing special code to bind data to the HTML controls. 

4- Unit Testing ready

Designers who are at Google have not only developed Angular but also developed a unit testing framework named ‘Karma’ that will help in designing a unit test for AngularJS applications.

Advantages of AngularJS

As we all are aware that it is the most popular then it must have multiple advantages. So, some of them are-

• One of the main advantages of it is that you can expect the number of errors or issues to be minimal as it is open-source.

• Angular supports both types of testing, unit testing as well as integration testing.

• Sometimes it extends HTML by providing its own elements which are called directives. At a high level, these directives are markers on a DOM element that order the AngularJS’s HTML compiler to attach a specified behaviour to that DOM element. Later on, these directives help in improving the functionality of existing HTML elements to enhance the power of your web application.

• It also offers two-way binding which means that you don't need to write Javascript code to bind your data into HTML code and your data layer in sync. it automatically does this for you and keeps the data and presentation layer in sync. Only the specification needed is which control is bound to which part of your model.

• One of the key fundamentals of single-page applications is to move from one view to another and Angular takes care of the routing. This means you can move to different functionalities in your web applications based on your user interaction and still, you will remain on a single page.

Disadvantages of AngularJS

• Its applications are not much secure as its server-side authentication and authorisation are necessary to keep an application secure

• It is also not degradable which means that if any user of your application disables its Javascript then it will show nothing except a basic page.

• Sometimes AngularJS becomes much more complex to handle as it has multiple things to do with the help of the same thing which creates confusion and leads to time taking and requires a considerable effort.

Why businesses are heading towards SPA (Single Page Applications)

With time everything needs to be updated and improved and the same happens with the SPAs. earlier, web applications are replaced by desktop apps which offer much more functionality and are quite efficient. Here SPAs are replacing web applications because they offer much more functionalities and also work seamlessly. Here are some reasons why businesses are heading towards SPAs.

• Fast loading time- what happens generally pages take much time to load a full page of a website but with SPAs, it opens very quickly and enhances the chances of conversion.

• Simple Development Process- one of the key reasons is that its development process is quite simple even a fresher can easily learn it and develop. There is no need to write lengthy code to render pages. Anyone can instantly start the development cycle from a file, file://URI without any server

• Singleton code- developers can use the same code to develop for web as well as native applications which becomes easier and makes overall development quick.

• Uses less bandwidth- even if anyone has a slow internet connection can run SPAs smoothly as it takes less loading time and consumes less bandwidth as it has to load the page only once.

Conclusion 

The above article is all about AngularJS which is in high demand and quite popular among developers due to its versatile functionality. If you have read this whole article then you must have noticed its popularity and demand, even the world’s biggest companies are using this. Not only this but it also has various career opportunities by which one can shape his/her future with a handsome salary. To become a professional AngularJS developer professional AngularJS Training is a prerequisite and that too from a well-established institute. If you are one of those who are willing to make a career in this then you can visit the APTRON institute for the AngularJS course in Noida.

Author : Jack Mawell Views : 73

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