Architectural Patterns

The model-view-viewmodel (MVVM) pattern

MVVM is a popular pattern used for developing reusable and easily testable web applications. MVVM is a modern variant of MVC and the core objective is to have true separation between the Model and the View components. The main components of the pattern are the following:

• Model
• View
• ViewModel

The layered architecture of the pattern is depicted in the following diagram:

The various components of the MVVM pattern are as follows:

Model: This component represents business logic and data. This means that the business logic that specifies how the data should be manipulated is present in the Model component. ...