Ext JS is a JavaScript framework which is used to develop interactive web applications and create controls which is not available in HTML. It combines DHTML, JavaScript's DOM, AJAX and produce a great interface. Its latest release is 3.2. With the use of ExtJS, creating widgets like combobox, grid control, toolbars, flash chart etc. and application like interactive form validation, modal dialog box, state management etc. become much more easier.
To learn any JavaScript library, it is essential to have a good knowledge of object-oriented JavaScript. Please read my blog dedicated to JavaScript.
