Angular is a framework for application development. Its main focus is to provide a solid foundation for the development of the user interface of our applications.
One of the core primitives that the framework provides is its powerful dependency injection mechanism which allows us to easily control the relations between the individual building blocks of our code. Angular's obviously fast change detection provides a way to synchronize the views of our application with the current state of the data model. Being completely transparent to developers, the change detection knows exactly when the model has changed and performs the minimum set of operations in order to reflect the update in the view.
Being able to extend the valid HTML, Angular's templates with custom elements allow us to use a declarative Domain Specific Language (DSL) to express the structure of the user interface of our application and its bindings to the model.
Angular was inspired for all these ideas and many others by its predecessor, AngularJS.
