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Angular JS Implementation

Angular JS Implementation

How to Implement Angular JS?

In this blog, we will show you how to implement Angular JS.

What Angular JS does is that it implements the Model View Controller (MVC). It allows the model to inform the controller and views when there is a change in the model state. We are going to explain this further by creating a simple application shown below.

Angular JS implementation

The image above has a few items which need some explanation

Angular JS implementation
Angular JS implementation

Now when you are making an application, there have to be a few buttons to click as well. These buttons are explained in our view, you might notice that these buttons use the ng-click attribute. This attribute is used to tie a button to a click event, which will be defined in the controller.

Angular JS implementation

Now you need to know that in this particular code there are specifically two items of interest

Firstly, the angular module notation is used to initialize the Angular JS module. This also provides a way to inject the dependencies into the application. For this particular step, the foremost understanding is that this is the standard initialization code to declare an Angular JS application.

Secondly, the HelloWorld app controller (‘DefaultController’, function ($scope, FruitModel){ …notation is used to instantiate the controller. One should also note that the scope and FruitModel are injected into the controller. The controller code provides the mechanism to handle the ng-click attribute assignment in the view. The getFruitsFromModel and clearFruits functions are executed when the suitable button is clicked by the user.

The model in AngularJS is instantiated through the HelloWorld app service (‘FruitModel). The important part of this code is to understand this service functions as the implementation of the model.

Angular JS implementation

Now that we know and have discussed the code behind the application, we should take a look at the interaction of these components.

Angular JS implementation
Angular JS implementation

Source: Insight

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