Prerequisites: Web server – I’m using XAMPP Text editor/IDE – I’m using Aptana & TextMate Getting started with Sencha’s EXTJS Download the Library – EXTJS 4.0.7: http://www.sencha.com/products/extjs/download/ext-js-4.0.7/1234 Unzip the contents of the download to a folder in root of your web server. I used /extjs. It should look something like the following image where “extjs” is [...]