HelloWorld with Ext JS 4. Guest Blog Post: Samuel Asher Rivello of Rivello Multimedia Consulting (RMC).
For readers who are new to Sencha but coming from a Flex background, this guest blog post provides useful context and reference to familiarize yourself with how Flex concepts map to Sencha concepts. This tutorial will help you get started with Sencha Ext JS 4. The full source code and 3 HD Screencast Videos are available below. Before You Start To follow along with this tutorial, you’ll need to setup the development environment for Sencha. Hello World For Application Development Typically, a Hello World program illustrates the quickest way to get anything (such as text) on the screen and publishing (or compiling) without errors.
The Project Output Here is the example app running. Debugging: In the chrome window, it’s clear that the bottom of the window is using Chrome’s Built-In View->Developer->Developer’s Tools, and Sencha Ext JS outputs to it very nicely. The Project File Structure The Entry Point Styles Libs App. Using Ext Loader for Your Application. Brand new to Ext JS 4.0 is a class Loader system that makes use of the new dependency system.
These two powerful new features allow you to create extensive applications that allow the browser to download digest code as necessary. Today, we’ll be looking at creating a small application that makes use of this new class Loader system, exercising the dependency management system. Along the way, we’ll discuss various configuration options for the Ext Loader system. Learn the latest about Ext JS and HTML5/JavaScript for three intensive days with 60+ sessions, 3+ parties and more at SenchaCon 2013. Register today! Before we begin, we will fast forward into the future and peek at the results. Our simple app will contain two-way binding to a grid Panel and form Panels, respectively called UserGridPanel and UserFormPanel.
Before we can begin with code, we’ll have to layout the directory structure. <! The index.html file contains the necessary link tag for the CSS file for Ext JS 4. Ext-all-debug.js. Ext JS 4 : Premiers pas avec MVC retours sur les nouveautés du framework JavaScript. Bonjour je viens de faire mes premier pas avec MVC de la version 4.0.
Ext JS API.