Ext JS includes a set of GUI -based form controls (or " widgets ") for use within web applications: text field and textarea input controls date fields with a pop-up date-picker numeric fields list box and combo boxes radio and checkbox controls html editor control grid control (with both read-only and edit modes, sortable data, lockable and draggable columns, and a variety of other features) tree control tab panels toolbars desktop application-style menus region panels to allow a form to be divided into multiple sub-sections sliders vector graphics charts Many of these controls can communicate with a web server using Ajax . Version releases: Ext JS 2.0 Ext JS version 2.0 was released on 4 December 2007. This version was promoted as providing an interface and features more similar to those traditionally associated with desktop applications. Also promoted were the new user documentation, API documentation, and samples. Ext JS 2.0 did not
A foundation you can build.