AngularJS is a discontinued free and open-source JavaScript-based web framework for developing single-page applications. It was maintained mainly by Google and a community of individuals and corporations. AngularJS aimed to simplify both the development and the testing of such applications by providing a framework for client-side model–view–controller (MVC) and model–view–viewmodel (MVVM) architectures, along with components commonly used in web applications and progressive web applications. It extended traditional HTML to present dynamic content through two-way data-binding that allowed for the automatic synchronization of models and views. AngularJS was built on the belief that declarative programming should be used to create user interfaces and connect software components, while imperative programming was better suited to defining an applications business logic. The framework implemented the MVC pattern to separate presentation, data, and logic components and used dependency injection to bring traditionally server-side services, such as view-dependent controllers, to client-side web applications, reducing the burden on the server.
AngularJS is a structural framework for dynamic web apps that lets you use HTML as your template language and extend HTMLs syntax to express your applications components. It is distributed as a JavaScript file and can be added to an HTML page with a <script> tag. AngularJS extends HTML attributes with directives and binds data to HTML with expressions. It also automatically starts when the web page has loaded and uses controllers to control AngularJS applications.
AngularJS is known for extending HTML vocabulary for application development, making the resulting environment expressive, readable, and quick to develop. It is fully extensible and works well with other libraries, allowing every feature to be modified or replaced to suit unique development workflows and feature needs.
In summary, AngularJS is a JavaScript framework designed to extend the syntax of HTML, empowering developers to build rich internet applications more easily by providing methods for enhancing HTML and expanding its capabilities beyond being a simple markup language.
