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Packages and namespace

Apr 09, 2009 | English | By Crysfel | 2 Comments

It’s important to remember that other developers or users could be using our code, that means we need to create code that can be run with other libraries without a problem.

Private and privileged methods in JavaScript

Apr 01, 2009 | English | By Hazel | 1 Comment

This is a well known topic for many developers, but some people don’t think we can define private methods and privileged methods in JavaScript. In today’s chapter we will learn how to hide properties and methods of an object.

Private and privileged methods in JavaScript

Creating objects and public methods

Mar 30, 2009 | English | By Hazel | No Comments

In JavaScript everything is an object, the functions, Strings, arrays, etc. But many developers use this language without really knowing these concepts of object oriented programming.

New Ext JS developer tool

Mar 26, 2009 | English | By Hazel | 2 Comments

In the previous post we talked about the new version of Ext JS coming out very soon, but the greatest news is that the Ext team have developed a new tool to create interfaces faster and easier. Check it out!

Ext 3.0 will be release soon!

Mar 23, 2009 | English | By Hazel | No Comments

We are very excited to let you know that in a couple of weeks the newest version of the Ext JS library will be released and it will happen at the first annual conference of Ext on April 14-16 in Orlando, Florida.

The context and the variable “this”

Mar 20, 2009 | English | By Hazel | No Comments

The context is the object that is operating at the time of execution, in JavaScript your code will always have a context. This chapters shows how we can change or assigned the context to methods or functions.

What are the Closures?

Mar 19, 2009 | English | By Hazel | No Comments

With closures we can solve a lot of problems when we develop components or applications, it is important to understand this concept.

What is the scope of a variable?

Mar 18, 2009 | English | By Hazel | No Comments

When we talk about “scope”, we are referring to the scope or the area where a variable can be used, in this chapter we will see how JavaScript handles this concept.

JavaScript References

Mar 17, 2009 | English | By Hazel | 1 Comment

A reference is a pointer to the exact place where an object is found, in JavaScript this is a fundamental concept that we need to know and master.

Different languages in one place

Mar 16, 2009 | English | By Hazel | 2 Comments

Sometimes we need to create multilingual applications or websites, in this chapter we will see how to detect the language of the browser using PHP and allow the user to change the language with a ComboBox.