50 Recipes on Programming Angular is structured in a Cookbook format featuring recipes that contain problem statements with solutions. A detailed explanation follows each problem statement of the recipe. This is usually contained within the solution; however, an optional discussion section can often contain other useful information helping to demonstrate how the solution works or if there are alternative solutions.Angular.js is a JavaScript-based open-source front-end web application framework mainly maintained by Google and by a community of individuals and corporations to address many of the challenges encountered in developing single-page applications. The JavaScript components complement Apache Cordova, the framework used for developing cross-platform mobile apps. It aims 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 rich Internet applications.