Getting started with ExtJS Javascript screen library and Catalyst Perl framework – Perl Mova 2008, Kyiv, Ukraine
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ExtJS overview
●What is ExtJS? (“extent”) http://extjs.com 
●Cross-browser Javascript library for web pages
–Internet Explorer 6+, Firefox 1.5+, Safari 2+, Opera 9+
●Web 2.0 effects with little code
●Abstracted handling of HTML elements, DOM, event handling and Ajax
●Widgets
–window, layout, tabs, form, toolbar, menu, tree,
data grid, combobox
http://extjs.com/learn/Ext_Extensions