Angular 2 - Overview

What is Angular 2?

Angular 2 is an open source JavaScript framework to build web applications in HTML and JavaScript and has been conceived as a mobile first approach.

History

The beta version of Angular 2 has been released in the March of 2014.

Why to use Angular 2?

• Angular 2 is simpler than Angular 1 and its fewer concepts make it easier to understand.
• You can update the large data sets with minimal memory overhead.
• It will speed up the initial load through server side rendering.

Features

• Angular 2 is faster and easier than Angular 1.
• It supports latest the version of browsers and also supports old browsers including IE9+ and Android 4.1+.
• It is a cross platform framework.
• Angular 2 is mainly focused on mobile apps.
• Code structure is very simplified than the previous version of Angular.

Advantages

• If an application is a heavy load, then Angular 2 keeps it fully UI responsive.
• It uses server side rendering for fast views on mobile.
• It works well with ECMAScript and other languages that compile to JavaScript.
• It uses dependency injection to maintain applications without writing too long code.
• Everything will be the component based approach.

Disadvantages

• Since Angular 2 is a newly introduced framework, there is less online community support.
• It takes time to learn if you are new to Angular 2.