From Learn About the Ext JavaScript Library

This is perfect Saki, thank you. --Wregen 02:48, 28 August 2007 (CDT)

Contents 1 So that's how it is done. 2 for Ext 2.0 3 Accessing public variables from private 4 Good sites about these concepts:

So that's how it is done.

Thank you. I tried to understand Crockford's examples[1]. and I got a basic understanding for the private, privileged, public concept but the way it was formatted was so daunting. I just couldn't figure it out. Nor foresee myself remembering the pattern for future applications. (The information about this was overwhelming at first[2].)

The way you laid out how objects are formated and where and how each component becomes private/public/privileged was perfect. I'll use that model from now on.

Thanks. Suki 01:19, 4 September 2007 (CDT)

for Ext 2.0

I've tried this on Ext 2.0. Adding a few change finally it ran.

Ext 1.1:

            btn1 = new Ext.Button('btn1-ct', {
                text: this.btn1Text,
                handler: btn1Handler
            });

Ext 2.0:

            btn1 = new Ext.Button({
                text: this.btn1Text,
                handler: btn1Handler,
                applyTo:'btn1-ct'
            });

I wonder if this is the trully recommended method for migrating to Ext 2.0, but I try to post this tip.

Accessing public variables from private

There's also a modified version that allows access to public variables and functions also to private functions:

myNameSpace.app = function() {

    // private 
    var myVar;
    var myFunc=function() { alert pub.myPub()+pub.myPubVar };

    // public 
    pub={
        myPubVar: 1,
        myFun: function() { return 5 }
    }
    return pub;
}();

mikeH 21:16, 13 February 2008 (CET)

Good sites about these concepts:

Douglas Crockford also wrote another page: Private Members in JavaScript[3], which begins: "Javascript is the world's most misunderstood programming language ..." This page, and the hotlinks leading from it, are well worth the reading.

In fact, Douglas' very extensive "JavaScript" section[4] on his web site is a recipe for an afternoon (or several afternoons...) very well spent.