Posts Categorized: JavaScript Libraries

Ext JS 4 Class System – Mixins

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Ext JS 4 Mixins

We have started reading how Ext JS 4 revolutionized the UI Development. After an overview of the Ext JS 4 Application Architecture, we went on to reading the Ext JS 4 Class System, starting with Creating and Extending a Class. Among many new concepts, Mixins configuration is a new addition to the Ext JS 4 Class System. Mixins Continue reading…

Custom Events in jQuery

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jQuery Custom Events

JavaScript recognizes many DOM events. There are many standard JavaScript events that are supported in popular libraries like jQuery. By standard events, we mean the browser events, DOM events and page load events. The most common examples of such events are click and mouseover events.
Events are used to trigger certain actions. Very often you need to define some Continue reading…

Aliases for jQuery Namespace

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aliasing jQuery namespace

There can be cases when you are using jQuery together with other JavaScript library or libraries. Like jQuery, many other JavaScript libraries also use the $ as a function or variable name. On such instances, it is advised to use the $.noConflict() method to eliminate any namespace conflicts. So, the $.noConflict makes $ available for Continue reading…

Ext JS 4 Application Architecture

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extjs4-application-architecture

To meet tight deadlines, very often, a project starts with copy pasting an example code or a base code. Very frequently, quick POCs and raw prototypes are used to build complex applications. This is not a good practice for scalable applications. A scalable, manageable and flexible application demands a thoughtful designing of the application architecture. Continue reading…

What’s New in jQuery 1.7?

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New features in jQuery 1.7.1

First of all, a VERY HAPPY NEW YEAR to all the readers!!!
It has been a while since I wrote about the newer versions of any libraries or browsers. Only yesterday, I took a look at jQuery 1.7.1, which now comes with WordPress 3.3. The jQuery 1.7 was released on 3rd November 2011. While a bug Continue reading…

Document Ready Event and jQuery – Lazy Initialization

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jquery document .ready()

To perform any operation on a DOM element, it must be created first. While a JavaScript file or script loaded in the head section of HTML executes instantly. Such scripts will find that DOM is not completely created. So, the actions dependent on various DOM element-ID’s and classes will fail. In the past, tricks like Continue reading…

Getting started with Ext JS 4

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Getting started with ExtJS4

It has been a while since I introduced Sencha and ExtJS on this blog. Like many other learning series, today I am starting ExtJS learning series. ExtJS is a MVC architecture based cross browser JavaScript framework for developing Rich Internet Application. The version 4.0 of the popular library is considered as a major step in Continue reading…