Enterprise Application Development with Ext JS and Spring

Ext JS 4 MVC concepts

When the MVC design pattern was introduced for the first time in Ext JS 4, it completely revolutionized the Ext JS framework. Although MVC was well known as a design pattern, this was the first time a sophisticated JavaScript framework had implemented the strategy. There are several key benefits as follows:

• The MVC design pattern organizes code into logical realms or component types, which makes the code easier to understand
• MVC modularity can simplify component testing and refactoring as each object has a well-defined purpose
• The MVC design pattern architecture encourages cleaner code, clearly separating data access, presentation, and business logic

These were a huge advantage over the previous Ext JS 3 where the only true MVC ...