Difference between AngularJS and Angular 2

Difference between AngularJS and Angular 2

Angular JS can be defined as a powerful open-source framework that can be used to build the front-end of different types of web applications. Website designers and developers who are familiar with the Angular JS framework will probably know that this open-source framework was created by Misko Heavery.  However, what you might not know is that this framework was initially build to resolve the downfalls of HTML.

Several website developers and designers, especially the ones who are new to the world of web designing will be surprised to hear that this open-source framework is maintained by Google developers. These expert developers always put in extra effort to resolve the issues that are experienced during single-page web application development.

Things to Know About the Angular Framework

The first version of this open-source framework that was called as Angular JS was launched approximately 10 years ago, that is in the year 2009. AngularJS soon became an excellent framework that can be used for single-page application developments. As a result, it gained the widespread support of several website designers.

One of the striking features of the Angular framework is that it offers support for data binding. In addition to that, this MVW JavaScript Framework also makes event handling a lot easier. Developers who are using this framework will be able to extend the HTMT support by adding expressions, attributes, and tags.

Fascinating Facts About the Angular 2 Framework

Just a few years after the release of the Angular JS framework, the developers behind the framework introduced the Angular 2 framework. Surprisingly, this new framework was rewritten by the developers right from scratch with the help of Typescript. The latest framework also comes with a wide variety of excellent features and other handy tools.

For instance, Angular 2 framework was a relatively faster, scalable, and modern framework than its predecessor. Moreover, this framework also offers support for Hierarchical Dependency Injection and it is extremely useful for desktop, mobile, and web applications. In some cases, you might not be able to tell whether to settle for Angular JS or choose Angular 2. If you are stuck in such a confusing scenario, then take a look at the major differences between these two frameworks.

Release Date

The Angular JS framework was released in the year 2010 by Google whereas the Angular 2 framework was launched approximately six years later. Another important thing you need to note is that Angular JS was a JavaScript-based framework that was commonly used to build single-page applications. On the other hand, Angular 2 framework was an entirely re-written version of Angular JS framework.

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It is true that developers are still offered support for the Angular JS framework. However, they have decided not to develop the framework anymore. So, if you are looking for a framework that is regular updated by developers, then it is best to choose Angular 2. The Semantic Versioning of this framework urges developers to update it on a regular basis.

Architecture and Mobile-Friendliness

The architecture of the Angular 2 framework is based on controller or service while the same of Angular JS framework is solely based on MVC. Another important thing to note is that the initially launched version of Angular is not mobile-friendly. However, the good news is that Angular 2 is a mobile-friendly oriented. So, if you wish to offer a fine user experience on mobile devices, then it is best to settle for Angular 2 framework instead of selecting Angular JS.


The code of Angular JS framework can be written with the help of Dart. ES6, and ES5. On the other hand, the code of Angular 2 framework can be written by using Typescript, ES6, and ES5. One of the main disadvantages of Angular JS is that it is designed based on controllers that doesn’t have any scope. This shortcoming is resolved in the new version of the framework where components replace controllers. In fact, the Angular JS framework is entirely component based.


Angular Bootstrap and ng-app function are used to initialize the Angular JS framework whereas only the bootstrap module () function is required for initializing Angular 2. Another point to remember is that the former runs only the client-side of applications. On the other hand, the latter framework, Angular 2 runs on both server-side and client-side.

Other Versions of Angular Framework

As mentioned earlier, the Angular 2 framework was introduced in the year 2016. Just a year after the launch of this framework, Angular 4.0 was released. Surprisingly, developers added another framework just a few months after the release of Angular 4.0 and it was named as Angular 5.0. What’s more shocking is that Angular 4.0 and Angular 5.0 are almost similar, as there are not a lot of differences between these two frameworks. 

However, there are still a number of minor differences between these two frameworks. If you wish to learn more about these changes, then you should get in touch with the expert website developers at our disposal, as they will surely be able to help you.


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