AngularJS MVC Architecture

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  • March 16, 2023
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AngularJS MVC Architecture

AngularJS MVC Architecture

Model View Controller is an abbreviation. It is a style of software development used in creating web apps. Because of the separation of concerns it provides and the isolation of the application logic from the user interface layer, it is particularly well-liked.


How does AngularJS MVC work?

The software design pattern known as MVC is used to create and develop web applications. It is regarded as an architectural design pattern in software engineering that has been around for a while. MVC architecture is used in many different languages, each with slight changes, but the basic idea is the same.

Comparing angular to standard javascript, Angular Classes in Pune structure things differently. As a result, the newest and most popular method of structuring an application is the model view controller architecture.


AngularJS’s Architecture

MVC is the foundation upon which AngularJS is based. AngularJS does an excellent job of incorporating the MVC architecture’s guiding principles. MVC is well-known for being a reliable architecture for various server-side languages. On the client-side as well, AngularJS incorporated the MVC pattern.


With AngularJS, MVC

All of this was about MVC and its guiding principles. Let us see how these principles are put into practise.

The model called Scope holds the application data. The DOM is connected to scope variables, and bindings are used to access the variable properties.

AngularJS does not use standard HTML for the view. Data-bound HTML describes it. HTML tags that use data-binding can better render dynamic data. By doing this, the model can update the DOM often.

The cooperation between the model, view, and business logic is handled by the ngController directive. The scope and view are under the control of the controller class that the ngController directive specifies.


The AngularJS architecture, an information.

The angular brackets included in HTML tags are the reason why AngularJS was given that name. The developers chose to call the project after the angular brackets in HTML because it was intended to make HTML more dynamic and data-friendly.


Components & MVC Architecture of AngularJs

Model, View, and Controller are the three sections that make up an AngularJS MVC application. Let us look into the functions that each MVC element performs:

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The model part is made up of a database (used to store data) and application data (user-specific variables). Logic and application (Logic refers to code that is written to perform a certain task).


An application’s view portion is its user interface. This section of an application contains the text that the user sees when using it.


A controller manages how the model component and view part interact with one another. It is more akin to computer code.


Understanding the behavior of AngularJS applications requires having a firm grasp on a few key ideas.

The HTML and AngularJS-specific elements and attributes that make up templates. Data from the model and controller are combined with the template to create the dynamic nature of AngularJS apps.

DOM components that can be reused are represented by directives, which are attributes or elements. For the dynamic view to be produced, directives directly alter the underlying HTML DOM. The developer no longer needs to care about native HTML elements and attributes because of this.

Data is automatically synchronized between the model and the display thanks to data-binding in AngularJS’s two-way data binding feature. For your application data, the model is regarded as the only reliable source. A projection of the model is always present in the view. The view and model both change when the model is altered. Two-way binding would describe this. The live compilation of the template onto the browser is how it is accomplished.

Because AngularJS applications are single-page (SPA) applications, routing between pages receives a lot of attention. A strong routing mechanism included into AngularJS performs URL matching from a list of routes specified in the router connected to the component. The implication of this is that each time a browser accesses a URL, a kid


Services: A view and a controller are joined. As a result, it is wise to limit the code in the controller to that which is logically necessary for the view. The view independent logic can be relocated so that other controllers can also use it. The Services are about to start working. Services distinguish view-specific logic from reusable business logic. Hence, the view-specific business logic is contained within the individual controllers, although all of the controllers share the common business logic.

Code to access the backend data is typically also written in services.


Dependency Injection: How do we manage access rights to the shared services now that the view-independent logics have been moved to a shared location? Dependency Injection allows for this (DI). A software design pattern called “Dependency Injection” focuses on how dependencies are acquired by objects as they are constructed. In AngularJS, everything is connected through DI, including directives, controllers, services, and pretty much everything else.


AngularJS Features

One of the most useful and well-liked frameworks available today is AngularJS. It was first made available by Google in 2012. The biggest applications from Google are supported by its scalable infrastructure.

Dynamic single-page applications are created with the help of the structured JavaScript framework AngularJS. It is a client-side framework that works on several platforms. This framework’s functions and commands all make use of HTML script-written code templates.

The AngularJS framework also includes a ton of strong features. These characteristics enable the separation of any application code from DOM (Document Object Model) manipulation. Also, it offers a wide range of incredible and advantageous characteristics. Because of this, enterprises frequently choose to develop with AngularJS.

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Listing of AngularJS’s features

  • Model View Controller (MVC) Framework, for example

Web application development uses the MVC software design paradigm. It consists of:

Model: the pattern’s entry-level, which is in charge of keeping data current. It shares characteristics with basic data types including booleans, integers, strings, and objects. Being devoid of getter and sorter methods makes it the simplest script.

View: is in charge of displaying selected data to the user. When the controller takes action, they offer the data in a specific format.

Model and View interaction is managed by the controller. It interacts with the data model objects and responds to user interaction. After receiving and validating the input, the controller performs the activities.

Controller: manages how the Model and the View communicate with one another. It interacts with the items of the data model and responds to human interaction. The input is first validated by the controller before any operations are carried out.

As an open-source program, AngularJS’s working paradigm is built on MVC design principles and the most recent client-side JavaScript. It is simple, adaptable, and dynamic how AngularJS’s Model View Framework Control Architecture works.

A distinct client-side application can be made simpler with MVC. You can mix the MVC parts with AngularJS even if they were created separately. To integrate all of the properties, more code is not required.


  • HTML’s user interface

In AngularJS, user interfaces are created using HTML. Shorter tags and a declarative syntax make it very simple to understand. It even offers an orderly, streamlined, and structured interface.

The creation, arrangement, and rearranging of JavaScript interfaces frequently become difficult. The HTML interface can therefore control how the program is implemented. You may therefore specify what you want and AngularJS will figure out the dependencies rather than having to comprehend program flow and loading.


  • POJO Model

AngularJS makes use of POJO (Plain Old JavaScript) objects as opposed to other frameworks. Hence, you do not need to include more getter and setter elements to bind AngularJS to more data sources.

A POJO approach also offers unplanned and well-prepared items. Object loops and array loops must be made by developers with the necessary properties. They must then make adjustments and reinterpret it. Because of this, AngularJS is self-sufficient and simple to use.


  • Active Google community

You constantly seek out strong community support if you want to adopt a framework for development. This is another area where AngularJS excels.

Why? because Google keeps AngularJS updated. It is additionally distributed under the MIT license and accessible for download on GitHub.

There are various forums where you can have your questions answered if you run into any maintenance problems or get lost somewhere. The source is also readily accessible for download if you wish to make any improvements.


  • Routing

Going from one view to another is essentially what routing is. This is the main characteristic of single-page applications right now.

Everything is shown on one page with single-page applications. When visitors click on a menu item or submenu, developers do not want to automatically divert them to a new page. The goal of the developers is for the URL to remain static while the content loads asynchronously on the same page.

This strategy is used by nearly all websites. The most effective instances of single-page applications are seen on certain well-known websites, including Twitter and the Chrome App Store. The user can more easily simulate using a desktop application by using this technique.

Now that AngularJS is available, creating different views is a simple effort.


Aspects of MVC

The following are crucial MVC attributes:

Testability is simple and seamless. Framework that is highly expandable, pluggable, and testable

Also, you can make use of the functionalities already provided by ASP.NET, Django, JSP, etc.

It gives you complete control over your HTML and URLs.

It is in favor of Test-Driven Development (TDD)

Logic is separated in this architecture.

permits the routing of SEO-friendly URLs.

offers to map URLs so they are understandable and searchable.


Important distinctions between MVC and MVVM in Angular

Model, View, and Controller are the three primary logical components of an application that are divided into three parts using the MVC architecture. On the other hand, MVVM enables separation of graphical user interface development with the aid of mark-up language or GUI code.

With MVVM, the view is the application’s entry point, whereas, in MVC, the controller serves that function.

MVVM makes it simple to do separate unit tests, and the event-driven nature of the code allows MVC Model components to be tested independently from the user.

While the Controller and View in MVC design have “one too many” links, the View and View Model in MVVM architecture does.


Advantages of AngularJS for web app development

You must use the AngularJS framework to create web apps more quickly and affordably in the battle to create data-driven and customer-centric ones. The produced product can result in long-term business growth due to the wealth of AngularJS advantages.

So without further ado, here are the top AngularJS advantages:


  • Supports MVC

To use the MVC design pattern, developers often divide the application into the three MVC components and write code to connect them. Because AngularJS includes built-in MVC support, developers may segment their applications into MVC components and leave the rest to the framework.


  • Reuse of code

With AngularJS, programmers may create new applications using previously written code. It encourages increased effectiveness, boosts overall performance, reduces costs, and abides by the best procedures and guidelines.


  • Plug-and-play elements

Developers using AngularJS can easily incorporate pre-existing components into a new application. They can simply copy the current code into the directory for the components. Also, they may quickly and effectively and with little to no delay access all the resources that are available in the directory.


  • Backed by a sizable population

AngularJS has amassed a sizable and impressive community as one of the most widely used web frameworks. Through exchanging experiences, resolving difficulties, and finding solutions, the community members aid in each other’s growth.


  • Increased application development speed

An AngularJS developer may quickly and effectively create apps with the help of the extensive range of tools and technology provided by the AngularJS framework. The development of data-driven applications is made possible by this comprehensive set of resources, which also greatly cuts down on the essential development time, effort, and resources.


 MVC in AngularJS


Using AngularJS’s MVC

We will see how AngularJS’s implementation of MVC’s components here:

Model Component in an Angular Application

When the view portion makes a request, it responds. You can acquire data from a database, such as MySQL, or a static JSON (JavaScript Object Notation) file if you want to obtain data dynamically.


See A Component In An Angular Application

In an application, it is the presentation portion. The user can see the Model component through the View portion. the model and view portions come together as a result.


The controller component of an Angular application

It serves as the focal point for the angular application. A controller is where Angular starts everything. A connection is made between the model and views parts. Anything that happens is meant.


History of MVC Architecture

MVC was one of the key ideas in the early development of graphical user interfaces and was one of the first methods to define and use software entities in terms of their functions.

MVC was developed by Trygve Reenskaug in the late 1970s while he was a visiting scientist at the Xerox Palo Alto Research Center (PARC) working on Smalltalk-79.

:: 330 Every program where users interact with a sizable, complex data set should be able to be structured using the pattern he was looking for. Model, View, Item, and Editor were the first four components of his concept. He talked it over with the other Smalltalk developers and the rest of the group decided on Model, View, and Controller.

A Model in its final form represents a discrete, independent portion of the program.

This version of MVC has been developed and is supported by Smalltalk-80. It offers many concrete View and Controller subclasses that represent various generic widgets in addition to abstract View and Controller classes. In this diagram, a View denotes a particular method of presenting information to the user, and a Controller denotes a particular method of user interaction with a View. The structure of the model object, which a View is also tied to, is up to the application programmer. A development tool called the “MVC Inspector,” which allows users to compare the structure of a particular model, view, and controller is also part of the Smalltalk-80 environment.

In 1988, two former PARC employees published a piece in The Journal of Object Technology (JOT) in which they described MVC as a generic.


MVC organizes large-size online applications, which is one of its advantages.

It is incredibly simple to split and organize the logic of web apps into complex applications since the code is divided among the three tiers (which must be managed by large teams of developers). Using such coding conventions has the main benefit of making it easier to develop new features and discover certain code segments fast.


Provides Asynchronous Method Invocation (AMI) support

Given how well the MVC architecture integrates with JavaScript and its frameworks, it should come as no surprise that it also supports the use of Asynchronous Method Invocation (AMI), enabling programmers to create web applications that load more quickly. Hence, even PDF files can be used with MVC apps.

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MVC Advantages

MVC organizes large-size online applications, which is one of its advantages.

It is incredibly simple to split and organize the logic of web apps into complex applications since the code is divided among the three tiers (which must be managed by large teams of developers). Using such coding conventions has the main benefit of making it easier to develop new features and discover certain code segments fast.


Provides Asynchronous Method Invocation (AMI) support

Given how well the MVC architecture integrates with JavaScript and its frameworks, it should come as no surprise that it also supports the use of Asynchronous Method Invocation (AMI), enabling programmers to create web applications that load more quickly. Hence, even PDF files can be used with MVC apps.


It is simple to modify the entire programme when using the MVC paradigm. The MVC design simplifies adding and updating new types of views (as a single section is independent of the other sections). Hence, any modifications made to a particular area of the application will never have an impact on the architecture as a whole. The application’s flexibility and scalability will consequently be improved as a result.


Faster development process – Because the code is divided into the three layers, creating web applications using the MVC model enables one developer to focus on one section, like the view, while another developer concentrates on another, like the controller, all at once. Due to this, business logic may be implemented more quickly and the process is sped up. So enroll today at SevenMentor for the best Angular Training in Pune.


Simple planning and upkeep – The MVC paradigm is useful at the initial planning stage of the application since it gives the developer an overview of how to put their ideas into actual code. Also, it is an excellent tool for reducing code duplication and facilitating simple programme maintenance.


The MVC framework gives you the ability to build your own view engine by returning data that has not been prepared. For instance, any type of data can be prepared using HTML, but the MVC framework also allows you to format data using the Dream or Macromedia Flash reader. The ability to reuse the same components with any interface is advantageous to developers.


TTD (test-driven development) is supported.

The vastly reduced complexity of the testing procedure is one of the MVC pattern’s main benefits. Many levels are logically specified and correctly stated in the application, which facilitates large-scale application debugging. resulting in the ease with which unit testing can be used during application development.


Many Views – The MVC design makes it simple to create numerous view components for your model component. Because it separates data and business logic, it gives you the ability to create several view components, which limits code duplication.


Platform that is SEO-friendly — The MVC framework offers tremendous support for the creation of web applications that are SEO-friendly. MVC offers a simple method for creating SEO-friendly RESTful URLs so that a certain application can attract more visitors.


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