We will create a simple web application which will have only one physical page (aspx/html) and at a very minimum, every Ext JS application will contain one HTML and one JavaScript file-?usually index.html and app.js. Let’s start using Sencha ExtJs Framework to build a simple web application. Creating an ExtJs Application – Hello World So you can use any one of them to include ExtJs Library components in your web application.
ext-all-dev.js: Human-readable source code of Ext JS that includes console.log() statements that generate and output debugging information in the browser’s console.ext-all-debug.js: Human-readable source code of Ext JS with no comments.ext-all.js: It’s a minified version of Ext JS library, which looks like a single line of 1.4 million characters.Mostly any one of these files is used to include the entire ExtJs Framework: The files that include the word “all” in their names contain the entire framework, and if you choose one of them, all the classes will be loaded to the user’s browser. There are several JavaScript files containing various components of the Ext JS framework. After unzipping the Ext JS package, you’ll find some files and folders in the package. You can download the ExtJs package from path. ExtJs provides a way to start your application development according to MVC Design pattern.
Ext JS offers a way to write object-oriented code, to define classes, using inheritance and creating instance of the classes as required. A developer just needs to configure the components accordingly. Ext JS includes a huge library of JavaScript-based classes that can help with everything we need to develop a web application, i.e., UI components, UI layouts, networking, CSS compiler, etc. ExtJs provides a way to develop single page applications (SPA). ExtJs provides cross browser compatibility, that means it automatically takes care of all the differences in most of the web browsers. ExtJs is also a HTML5 framework where you don’t need to write HTML :) it’s a pure JavaScript framework that includes a library of JavaScript based classes that helps us with everything that we need in order to develop a web application. You must have used HTML while developing web applications. This tip gives the basic idea to use ExtJs Framework. ExtJs provides a library of JavaScript-based classes that provides almost everything that is required to develop a web application (UI Components, CSS compiler, Ajax, Layouts, etc.) Before using ExtJs, we need to know why it is beneficial to use ExtJs for developing web applications. ExtJs is a JavaScript framework provided by Sencha to develop interactive web applications. This tip is just for beginners who want to start working with ExtJs in web applications.
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