If you intend to build and design a mobile application and a web application for Android and iOS, you should use a web application. Nowadays, businesses also need web applications for development, so a framework that is suitable for JavaScript is needed, such as the Angular JS framework. It is one of the best JavaScript frameworks. In this section, we introduce Angular JS and introduce you to the features, advantages, and disadvantages of Angular JS.

Angular JS is an open-source web application framework created by Misko Hori and Adam Ebrons (Google Inc.) in 2009. 30.7% of software engineers now use AngularJS and the new Angular 2+ version to create user interfaces. As stated in the NG-Conf 2019 conference, since the beginning of 2019, the Angular developer community has grown by 50% compared to 2018. Although AngularJS was based on MVC architecture, Angular 2+ is component-based.

AngularJS is a structural framework for dynamic web applications. It allows you to use HTML as your template language and allows you to extend HTML composition to express your application components clearly and concisely. With data binding and dependency injection, it eliminates much of the code you currently have to write, based on which you define commands and Angular makes it available to you wherever you need it throughout the program. And all of this happens inside the browser, making it an ideal partner with any server technology.

Angular was initially used for single-page SPA websites, that is, page information was updated without fast loading, which increased the speed of the site. These programs do not reload the entire page but only load the necessary parts. AngularJS is a framework that is an environment framework where you can use less code with more security in your programs and modify and optimize your codes.

How does the Angular JS framework work?

The AngularJS framework works by first reading an HTML page that has additional custom attributes and tags in it. Angular binds these properties as instructions to render the page’s input or output as a model represented by standard JavaScript variables.

Is the angular framework frontend or backend?

First, the front end includes everything the user sees, including design and some languages such as HTML and CSS. Whereas, the back-end or “server-side” is basically how the site works, updates, and changes, which refers to everything that the user can’t see in the browser, such as the database and server.

People who work in the back end are usually called back-end programmers or back-end developers. Back-end developers are more concerned with things like security, structure, and content management. They usually know and can use languages like HTML and CSS, but they are not focused on this.

AngularJS is a front-end JavaScript framework developed and maintained by Google, which is considered the best framework for front-end development today by web developers and designers worldwide.

The facilities that Angular Framework provides for developing web applications are superior in every way compared to other frameworks in the market. Even, developers used to take the help of Script PHP for front-end development, but with the introduction of Angular JS, the whole process of front-end development has become hassle-free and much easier to develop or build single-page applications for the client in a very short period. Short and using less code helps.

Features of the Angular JS framework


Directives This feature enables the HTML extension. These directives allow developers to assign specific behaviors to the JavaScript programming interface (DOM) to make the changes they want and allow engineers to create dynamic and rich content with HTML.

Designing templates in Angular JS

One of the main parts of Angular is templates, the templates that contain the form that we see on a website. Angular JS with its powerful tools such as mcv design pattern, directives, etc. can easily design the template.

Code Splitting

Separation can be done at two levels: component level and route level.

In component-level code splitting: you pass the desired components to your JavaScript parts and lazily load them if necessary.

Route level code division: You enclose the performance of each route in a separate section. As users navigate through your app, they fetch parts of individual paths and access related functionality when needed.

Services in Angular JS

They are one of the parts of Angular JS. Services are the same functions as JavaScript functions. They are responsible for performing specific tasks, which makes them unique, maintainable, and evaluated.

Routes in Angular JS

Since routes are at the core of a single-page app, they allow you to split your template into multiple parts. This is a feature that exists in different parts of your app.

Advantages of the Angular JS framework

Test tool (Testing Made Easy) in AngularJS

Since all JavaScript code needs to perform a series of tests that make testing an internal function, using this tool you can start your work from scratch and test all components of the application without any problems.

Dependency injection

The entire AngularJS has a built-in dependency injection subsystem, so when you want to access the main services of AngularJS, you only need to add the service as a parameter, use it, and AngularJS will recognize the need for your commands and provide services. Provides you immediately and executes your commands the exchange of goods or services between the application and the client takes place.

Easy to learn

People who know HTML, JavaScript, and CSS can easily learn AngularJS. Learning AngularJS opens up more opportunities for developers in the web development industry. There are many free AngularJS courses and tutorials available online. You can learn how to build and test your web application using AngularJS through these online tutorials. When you are completely familiar with AngularJS, it takes less time to develop web applications.

The possibility of optimal management of web application and data connection in two ways and MVC architecture

Web developers usually have to split the code into three different parts Model, View, and Control then developers manually merge the code of those components, AngularJS saves time because the framework automatically merges the code. He does. It is easier for developers to manage the UI part of the application and its database using the MVC pattern.

AngularJS allows instant coordination between view and model. If data changes in the model, it will be reflected in the view. As a result, when changes are made in the observation data, the model has modified accordingly. By using it, you don’t need to make changes in the VIEW anymore, when the model changes, the view also changes.

AngularJS ngular controller directive

Angular applications are modular. Ng-controller adds a controller to your application. In the controller you can write code, making functions and variables that are part of an object available inside the current HTML element.

Automatic change of function of HTML DOM files

The basis of AJAX software is the manipulation of HTML DOM files, where there is no need to change the low-level DOM codes, and the software written with Angular does not need programming to change the DOM, but this can be done. Codes can be customized with Angular JS capabilities.

Disadvantages of the Angular JS framework

  • It is not supported everywhere, for example, Internet Explorer 8.0 does not support AngularJ.
  • Angular isn’t SEO-optimized Crawlers likely won’t run JS code, so they won’t encounter the actual page content, so don’t be fooled by the fact that Google built Angular.
  • Another disadvantage of Angular is that it provides you with many commands to do the same thing, that’s why it is difficult to choose the best command for large projects.


  • It is not safe for JavaScript, it becomes safe if you have authentication and issuance.

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