Ext JS Release Notes. Countdown to Ext JS 4: Anatomy of a Model. This article originally appeared on January 25th as part of our January Newsletter.
If you follow Ext JS, chances are you already know that we have a brand new data package for Ext JS 4. The new data package builds on the principles of the one in Ext JS 3 while adding a huge number of new capabilities. We recently introduced the new data package on our blog, and today we’re going to take a deeper look at the new Model class. A Model represents almost any type of persistable data in an application. Docs - Ext JS 4.0. Countdown to Ext JS 4: Data Package. One of the areas that has seen the most improvement in Ext JS 4 is the data package.
The data package enables you to retrieve, decode and use data in your applications. The data package has been completely rewritten for version 4, but it uses the same approach as previous versions. Today we're going to take a look at the new data package and see what it offers. What's New The data package in Ext JS 4 consists of 43 classes, but there are three that are more important than all others - Model, Store and Proxy.