what is angularjs used for
AngularJS (commonly referred to as  Angular ) is an open-source web application framework maintained by Google and by a community of individual developers and corporations to address many of the challenges encountered in developing single-page applications.ngularJS's design goals include: 1  to decouple DOM manipulation from application logic. 2  to decouple the client side of an application from the server side. 3  to provide structure for the journey of building an application: from designing the UI, through writing the business logic, to testing.