The Model-View-Controller (MVC) is one of the most pervasive patterns in software engineering, and is widely accepted as an important paradigm for separation of business logic from presentation logic. Recently there have been some discussions around the use of the MVC pattern within the browser/JavaScript environment. It is easy to look for duplication of the web-framework-specific MVC patterns and miss the significant true (truer in some senses) MVC patterns that already exist in the browser and are augmented by the modern JavaScript toolkit.
The MVC pattern describes the conceptual organization of logic and flow in an application. It would be naive to assume that one needs a module, package, or a class called a “Model”, “View”, or “Controller” in order to implement MVC. There are some great JavaScript libraries that explicitly call out these terms, but the foundation for the view and controller are well established in the browser environment. One can properly leverage and build upon these concepts in the browser to have a well designed MVC structure without necessarily using such terms in your code. MVC can guide design while letting the application’s conceptual function and purpose dictate organization.
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