Ext JS 4.2.0 - Sencha Docs

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Welcome to Ext JS 4.2!

Ext JS 4.2 is a pure JavaScript application framework that works on all modern browsers from IE6 to the latest version of Chrome. It enables you to create the best cross-platform applications using nothing but a browser, and has a phenomenal API.

This is the biggest upgrade we've ever made to Ext JS and we think you're going to love it.

View the Examples Discuss Ext JS 4.2 on the forum

What’s New

We have also been posting summaries of new features and changes to our blog:

Learn more on sencha.com

API Docs

Upgrading

First, check out our overview guide to see what has changed.

Sencha also offers training courses and professional services for companies wishing to use Ext JS 4.2.

SDK Updates

Mar 13 2013 Ext 4.2.0 Released

Oct 26 2012 Ext 4.1.3 Released (support subscribers only)

Sep 8 2012 Ext 4.1.2 Released (support subscribers only)

Jul 5 2012 Ext 4.1.1 Released

Apr 24 2012 Ext 4.1.0 Released

Oct 19 2011 Ext 4.0.7 Released

Aug 30 2011 Ext 4.0.6 Released (support subscribers only)

Jul 24 2011 Ext 4.0.5 Released (support subscribers only)

Jun 29 2011 Ext 4.0.4 Released (support subscribers only)

Jun 14 2011 Ext 4.0.3 Released (support subscribers only)

Jun 9 2011 Ext 4.0.2a Released

May 17 2011 Ext 4.0.1 Released

Apr 26 2011 Ext 4.0.0 Final Released

Welcome to Ext JS 4.2!

What’s New

Upgrading

SDK Updates

Base

Class System

Support

Application Architecture

DOM & Browser

View

Containers & Panels

Layouts

Draw

Styles

Components

Components

Tree

Toolbar

Menu

Form

Form Actions

Grid

Charts

Drag & Drop

Component Utilities

Data

Data Models

Data Readers & Writers

Data Proxies

Data Stores

Direct

AMF

Utilities

Native Classes

Native Extensions

Utility

Events

Enumerations

User Extensions

Grid

Data

DataView

Events

Tabs

Forms

Others

Overview

Concepts

Components

Sencha Cmd

Tutorials

Enterprise