AngularJS is a structural framework for dynamic web applications. AngularJS is an open-source web application framework maintained by Google. Angularjs lets you use HTML as your template language and lets you extend HTML's syntax to express your application's components clearly and succinctly. Angular's data binding and dependency injection eliminate much of the code you would otherwise have to write. AngularJS is a powerful JavaScript based development framework to create RICH Internet Application(RIA). AngularJS helps you structure and test your Javascript code very easily. AngularJS is quickly becoming the dominant JavaScript framework for professional web development.