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Instances of components are created automatically when the parent component is created.Ĭlass can extend both custom and built-in classes. components and stores) can have aliases and can be created by an alias. Classes are defined with Ext.define and then an instance can be created with Ext.create. event management (with simplified creation of custom events for custom components)Įxt JS has its own class system.server communication layer (proxies and ).Ext.isArray that can be used as a replacement for Array.isArray) Programming toolkit Įxt JS is a composition of classes that has many capabilities. There are plans to even out some differences between the toolkits in Ext JS 7.1, which is planned for 2019. So it is not as easy to migrate from one toolkit to the other as it is for themes. They differ not only with available themes but there are also some API differences between them. Neptune Touch has bigger elements better suited for tablets and phones.Įxt JS comes in two flavours called modern and classic toolkit. For example Classic theme has rather small elements not suited for touch devices. Īll components should work with each theme, but their look&feel will change. When using Sencha CMD a re-build of the application might be required. Changing a theme requires simply changing CSS and a script of the theme.

Sencha also provides some themes to style the components.

region panels to allow a form to be divided into multiple sub-sections.

grid control (with both read-only and edit modes, sortable data, lockable and draggable columns, and a variety of other features).

Nowadays, Ext JS can be used both as a single script (with all classes and components in one file) or by building the application with the Sencha Cmd.įeatures GUI controls (components) Įxt JS includes a set of GUI-based form controls (or " widgets") for use within web applications: Originally built as an add-on library extension of YUI by Jack Slocum on April 15, 2007, Ext JS has had no dependencies on external libraries beginning with version 1.1. It can be used as a simple component framework (for example, to create dynamic grids on otherwise static pages) but also as a full framework for building single-page applications (SPAs). Ext JS is a JavaScript application framework for building interactive cross-platform web applications using techniques such as Ajax, DHTML and DOM scripting.