Introducing MVVM Architecture in JavaScript (TypeScript Edition)

The small popularity of MVP and MVVM in favor of MVC architecture is caused by many factors. It is easy to start from any JavaScript and then evolve to MVC. More efforts would be required to build better MVP architecture. And much more practice and efforts would be required to build MVVM. Despite that fact, the MVVM architecture is gaining its popularity on mobile platforms as native applications. It is a rare subject for WEB applications.