1. Ext JS 4 first look : a practical guide including examples of the new features in Ext JS 4 and tips to migrate from Ext JS 3 /: a practical guide including examples of the new features in Ext JS 4 and tips to migrate from Ext JS 3. (©2011) Other Names: Groner, Loiane Record Type: Book Extent: 1 online resource (v, 327 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗