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EXTJS4 Interview Questions & Answers

1. Requirements for a simple EXTJS ? 1.Call Ext-Base.js in a html file 2.This file should exist under webcontent/adapter/ext - Library is added. 3.Default stylesheet ext-all.css is avb under resources/css 4.Have your own js file link it under HTML file if required. 5.Helping js can also be called inside your HTML file. 6.Have layer to print your object. The layer is called Layer Dialog Area. 7.Use onReady() inside which object can be created and declared 8.Call the object with the EXT.get() 9.To open a window EXT.window() to set the properties and use show() to show the result in the monitor. 2.        What modern browsers does EXTJS work on? There are 5, name them: EXTJS4 support cross platform browser compatibility. IE 6+ FF 3+ (PC, Mac) Safari 4+ Chrome 10+ Opera 11+ (PC, Mac) 3.        What are the prerequisites for learning ExtJS? -First and most in...

Setting up Eclipse IDE for ExtJS, jQuery development (using Spket Editor)

The title says everything. This post provides detailed steps for eclipse lovers to have them setup their dev environment with ExtJS, jQuery development. At the time of writing this post, Eclipse IDE version is Helios, ExtJS version is 3.2.1 Step 1 : Navigate to eclipse.org in your browser. Click on the downloads link. Click on "Eclipse IDE for JavaScript Web Developers". Download the eclipse IDE for your favorite platform. http://www.eclipse.org/downloads/packages/eclipse-ide-javascript-web-developers/heliosr Step 2: Launch Eclipse IDE. Navigate to Menu "Help->Install New Software". Click on "Available Software Sites" link. (You can alternately navigate here by choosing Window->Preferences->Install/Update->Available Software Sites). Click on "Add.." Button and enter Name: Spket, Location: http://www.spket.com/update/ Step 3: After adding the external site, close the dialog and come back to the install wizard. Select the si...

EXTJS GUI Versions

Ext JS includes a set of GUI-based form controls (or "widgets") for use within web applications:     * text field and textarea input controls     * date fields with a pop-up date-picker     * numeric fields     * list box and combo boxes     * radio and checkbox controls     * html editor control     * grid control (with both read-only and edit modes, sortable data, lockable and draggable columns, and a variety of other features)     * tree control     * tab panels     * toolbars     * desktop application-style menus     * region panels to allow a form to be divided into multiple sub-sections     * sliders     * flash charts Many of these controls are able to communicate with a web server using Ajax. Application support Ext JS includes web application support...

Extjs Common Interview Answers

1.Why we need javascript Library? Javascript is an awesome language. It’s super flexible.Browsers are the modern UI paradigm. The javascript Libraries now must provide a rich set of UI Widgets. javascript libraries: * JQuery * Qooxdoo * Dojo * Prototype.js * mootools * extjs 2. Why did you choose Ext JS? The overall design of extjs is exemplary.One can learn a lot from it’s unified architecture – no matter which language one is programming in. Extjs requires you to start with one of their base classes – ensuring a consitent model. Consistency is extremely important for the library to be reusable. a.Extjs documentation seems to be very comprehensive and well maintained. b.key aspect of the EXTJS Library is the cross-browser support. c.Build rich Internet applications with Ext JS d. Ext JS framework is the multitude of rich UI elements provided. These elements include forms, dialog boxes, tabs, trees, and grids. e.The Ext JS framework includes support for Ajax implementations. f.Ext J...