Happy Coding !!: Overview of AngularJS

Wednesday, 20 September 2017

Two-way data binding - This feature provides the most convenient aspect of Angular. You no longer need to query DOM each time to update it.
Dynamic HTML generation - The best of all
Makes tasks like binding, templating, routing, and unit testing etc. much simpler
Lightweight (< 36KB compressed and minified)
Supported by IntelliJ IDEA and Visual Studio .NET IDEs
Dependency injection: In Angular, you can inject as many dependencies as you want into a particular segment. You no longer need to create instances and initiate the dependency instances for using them.
Less Coding
Reusable Components
There are multiple useful features, but these features above increase the preference for Angular over other JS frameworks.
An Introduction
Developed in 2009 by Misko and Adam Abrons
Is open source and completely free
Licensed under Apache and maintained by Google
Powerful JavaScript Framework
Used to create SPA projects

Used to create RIA
Helps to write application using MVC Architecture
Application in AngularJS is cross-browser complaint
Automatically handles JavaScript code as per browser
Data-binding
Scope - Scope is a special JavaScript object, which plays the role of joining controller with the views.
Controller - AngularJS application mainly relies on controllers to control the flow of data in the application. A controller is defined using ng-controller directive.
Services - AngularJS supports the concepts of "Separation of Concerns" using services architecture. Services are JavaScript functions and are responsible to do a specific task only. This makes them an individual entity, which is maintainable and testable.
Filters - Filters are used to change and modify the data and can be clubbed in expression or directives using pipe character. Some basic filters are: uppercase, lowercase, currency, order by
Directives
Routing
Model View Controller