Sunday, 14 October 2012

All about Ext JS

What is ExtJs

ExtJS is a javascript  framework (client-side ) that enables developers to develop Rich   Internet  Application (RIA) (static  websites  or  data-driven applications) with a plethora of options.
 
ExtJS has a huge collection of controls (ranging from textboxes to highly sophisticated UI Controls).

ExtJs History

● Started as extension to Yahoo's YUI! Framework in 2006 – YUI-Ext !

● By the end of the year, the library had gained so much in popularity that the name was changed simply to Ext, a reflection of its maturity and independence as a framework.

● A company was formed in early 2007, and Ext is now dual-licensed under the GPL v3 and a proprietary license.

Why ExtJs ?

● Most Developers don't like to design
● HTML isn’t pretty
● HTML isn’t functional
● ExtJs is the largest consistent library of extended components in a single package

● ExtJs is “baked in” to ColdFusion

Features of ExtJs :

● Ext is cross-browser compatible.
● Ext has a complete set of widgets.
● Ext looks great and it feels good.
● Ext is very well documented.

● Ext can be used both under a free and a commercial license.
Cross-browser compatible
Cross-browser compatible


Windows looks like OS windows – support  dragging/resizing/closing
Windows looks like OS windows 

Good Documentation
Good Documentation


How do we begin?
● Download the latest copy of ExtJS from
http://www.sencha.com/products/extjs/download/

● Unzip using any file compression utility(Winzip / WinRAR).

● It is strongly recommended that you create a virtual directory for the unzipped folder (since certain examples work only if accessed via website / virtual directory).

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