What are the differences between Angular and AngularJs?

Updated On: February 16, 2023

Updated By: AppsRhino


Angular and AngularJS are two of the most popular front-end development frameworks in the web development industry. 

Angular and AngularJS are used to create dynamic web applications, but they have significant differences that make them unique. 

This blog will help you explore the differences between Angular and AngularJS and help you understand which one will be better for your next project.

What is Angular?

Angular is a JavaScript-based open-source front-end web application framework. It was released in 2010 and is currently maintained by Google. 

Angular is designed to simplify the development of large-scale and complex web applications. 

It helps developers build high-performance and scalable applications by providing a comprehensive set of tools, components, and services.

Features of Angular

1. Modular architecture

Angular has a modular architecture that allows developers to build applications using reusable and maintainable components. 

2. Two-Way data binding

This feature enables developers to create applications where changes made in the model are automatically reflected in the view and vice versa. 

3. MVC (Model-View-Controller) architecture

Angular uses the MVC architecture. 

It separates the application into three components—the model, the view, and the controller. 

This separation of components makes it easy to create scalable and maintainable applications. 

4. TypeScript support

Angular supports TypeScript, a statically typed language that is a superset of JavaScript. 

TypeScript provides developers with enhanced type-checking and improved code management, making it easier to develop large and complex applications. 

What is AngularJS?

AngularJS is also a JavaScript-based open-source front-end web application framework. 

AngularJS is an older version of Angular and is still widely used in many web applications.

Features of AngularJS

1. Directives

AngularJS provides a range of directives that make it easy to add dynamic and interactive elements to your application. 

Directives are unique attributes that allow you to extend the HTML syntax and create reusable components. 

With AngularJS, developers can easily add complex application functionality without writing complex code.

2. Dependency injection

AngularJS uses dependency injection, which makes it easy to manage the dependencies between components in your application. 

Dependency injection allows you to inject services and features into your application, making it easier to manage and maintain. 

With AngularJS, developers can easily create modular and reusable code that is easy to test and maintain.

Key Differences between Angular and AngularJS

Here are the critical differences between Angular and AngularJS that you should know:

1. Architecture

Angular is a complete rewrite of AngularJS and uses an entirely different architecture. 

Angular is based on a component-based architecture, whereas AngularJS is based on a directive-based architecture. 

It means that Angular is more modular and easier to maintain than AngularJS.

2. Performance

Angular is faster and more efficient than AngularJS because of its improved architecture. 

Angular uses a change detection mechanism that helps it run faster and more efficiently. 

In contrast, AngularJS uses a digest cycle mechanism that is slower and less efficient.

3. Language

Angular uses TypeScript, a statically typed programming language, while AngularJS uses JavaScript. 

TypeScript provides better type-checking and error handling than JavaScript, making Angular a more reliable and robust platform for developing large-scale web applications.

4. Code Reusability

Angular provides better code reusability compared to AngularJS. 

Angular allows developers to reuse code across different components, whereas AngularJS requires developers to write code for each directive. 

It makes Angular a more efficient and scalable platform for building large-scale web applications.

5. Mobile Support

Angular provides better support for mobile devices than AngularJS. 

Angular is designed to work seamlessly on mobile devices, whereas AngularJS is intended for desktop applications.

When to Choose Angular or AngularJS?

The choice between Angular and AngularJS depends on the specific requirements of your project. If you are building a large-scale and complex web application, Angular is the better choice because of its improved architecture, performance, and scalability. 

However, if you make a smaller or simpler web application, AngularJS is better. It is simple and easy to use.


Angular and AngularJS are excellent front-end web development frameworks that can help you build dynamic web applications. 

However, they significantly differ in architecture, performance, language, code reusability, and mobile support. 

When choosing between Angular and AngularJS, it is crucial to consider the specific requirements of your project and select the framework that best fits your needs. 

We hope you found this blog insightful and informative.


Thankyou for stopping by!


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