The MVVM is a refinement of the popular MVC design and the ViewModel in MVVM is used to facilitation Presentation Separation.

Practical .NET Test Driving a JavaScript MVC Framework Peter looks at Knockout, one of the MVC environments for writing client-side JavaScript, and wonders if we're on the wrong path. By Peter Vogel ...

Peter returns to his AJAX-enabled ASP.NET MVC application to show how Partial Views and TypeScript work together to simplify delivering a Single-page application.