What is
AngularJS?
AngularJS is an open source Model-View-Controller framework
which resembles the JavaScript structure.
Angular
JS is probably one of the most popular modern day web frameworks available
today.This framework is used for developing mostly Single Page
applications.This framework has been developed by a group of developers from
Google itself.
In light of the sheer help of Google and thoughts from a
wide network forum,the system is constantly kept up to date.Also,it
consistently fuses the most recent improvement drifts in the market.
In this
tutorial,You will learn :
AngularJS Features
Angularjs Architecture
AngularJs Advantages
AngularJs Features
Angular has the accompanying key highlights which makes it
one of the incredible systems in the market.
1)MVC - The framework is built on the famous concept of MVC
(Model-View-Controller).This is a design pattern used in all modern day web
applications. This example depends on parting the business rationale layer,the
information layer,and introduction layer into independent sections.The division
into various areas is done as such that every one could be overseen all the
more effectively.
2)Data Model Binding -You do not need to write special code
to bind data to the HTML controls.
This should be conceivable by Angular by just including two
or three bits of code.
3) Composing less code - When doing DOM control a great deal
of JavaScript was required to be composed to structure any application. In any
case, with Angular,you will be surprised with the lesser proportion of code you
need to form for DOM control.
4) Unit Testing
arranged - The modelers at Google made Angular just as developed a testing
framework called "Karma" which helpers in arranging unit tests for
AngularJS applications.
AngularJS
Architecture
Angular.js follows
the MVC architecture,the daigram of the MVC framework as shown below.
Angularjs Architecture Diagram
Controller-->View-->Model
* The Controller addresses the layer that has the business
logic.User events trigger the limits which are stores inside your
controller.The customer events are a bit of the controller.
*Points of view are
used to address the acquaintance layer which is given with the end customers.
* Model are used to represent your data’s.The data in your
model can be as simple as just having primitive declarations. For example,if
you are keeping up an understudy application,your information model could
simply have an understudy id and a name.Or it can likewise be mind boggling by
having an organized information model.If you are keeping up a vehicle
possession application,you can have structures to characterize the vehicle
itself as far as its motor capacity,seating limit, and so forth
AngularJS Advantages
* Since it is an open source framework,you can expect the
number of errors or issues to be minimal.
* Two-way binding -Angular.js keeps the data and
presentation layer in sync.Now you do not need to write additional javaScript
code to keep the data and presentation layer in sync.Now you do not need to
write additional Javascript code to keep the data in your HTML code and your
data later in sync.Angular.js will automatically do this for you. You simply
need to indicate which control is bound to which part of your model.
Model--> Page
* Routing -Angular
can take care of routing which means moving from one view to another. This is
the Key major of single page applications;wherein you can move to various
functionalities in your web application dependent on client collaboration yet
at the same time remain in agreement.
* Precise backings
testing,both Unit Testing, and Integration Testing.
* It expands HTML by giving its own components called
directives.At a high level,directives are markers on a DOM component, (for
example, an attribute,element name, and remark or CSS class) that reveal to
AngularJS's HTML compiler to append a predetermined conduct to that DOM
component. These mandates help in broadening the usefulness of existing HTML
components to give more capacity to your web application.
AngularJS Hello World Application :Your First
Example Program
The
most ideal approach to see the intensity of an AngularJS Application is to make
your first essential program "Hi World" application in Angular.JS.
There
are many integrated development environments you can use for AngularJS
development,some of the popular ones are mentioned below.On our example,we are
using webstorm as our IDE.
1)Webstorm
2)Sublime Text
3)AngularJS Eclipse
4)Visual Studio.
Select
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