performance « scope « Javascript Data Type Q&A

1. Store javascript variables in array    stackoverflow.com

I am sure someone has gone over this but I have had no luck finding some results. I want to know what is the fastest way to maintain a proper variable scope. Here ...

2. Javascript scope chain    stackoverflow.com

I am trying to optimize my program. I think I understand the basics of closure. I am confused about the scope chain though. I know that in general you want a low ...

3. javascript function scope, variable declaration    stackoverflow.com

lets say that I have the following scenario:

var namespace = {};
(function($)
{
    $.extend(namespace, 
    {
        test1: function(someArray, someObj)
  ...

4. Javascript Function `Recreation´?    stackoverflow.com

I read a lot of JavaScript code and see lots of different styles of making so-called Classes. I'm developing a light-weight DOMish class which contains the bare minimum for my template ...