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What Is EXT.js? What Are the Key Feature?

What Is EXT.js?
Ext.js stands for extended JavaScript and the first version was developed by Jack Slocum in 2006, which is an extension of YUI (Yahoo user interface). He named the library as YUI-ext.

Ext.js is pure object oriented and extensible JavaScript framework and it used to developed interactive cross-platform web applications, reach UI such as desktops, tablets, and smartphones using techniques such as Ajax, DHTML and DOM.

It is a Sencha product which is extended from YUI (Yahoo user interface).

Ext.js is a product of Sencha a software firm based in Redwood City, California.
Ext.js is high-performance, customizable UI widgets - including HTML5 grids, trees, lists, forms, menus, toolbars, panels,windows, and so on.

Ext.js is pre-Integrated and tested UI Components such as –
1.      HTML5 calendar
2.      grids
3.      pivot grid
4.      D3 adapter
5.      trees
6.      lists
7.      forms
8.      menus
9.      and so on

Its distribution is done through two licenses -
1.      A business license
2.      Open source but limited
Ext.js provides everything a developer needs to build data-intensive, cross-platform web and smartphones applications.


List some Ext.js features -
1.      Rich Data Analytics
2.      Customizable Built-In Themes
3.      It can access data from any back-end source
4.      Pre-Tested, high-performance, Integrated UI Components
5.      Sophisticated Data Visualization
6.      Back-end Agnostic Data Package
7.      Flexible layout manager and Responsive Configs
8.      Create data-intensive HTML5 applications using JavaScript
9.      Ext JS leverages HTML5 features on modern browsers.
10.  Accessibility Package (ARIA) for Section 508 compliance

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