instantiation « object « Javascript Data Type Q&A

1. Syntax for Instantiating JavaScript Date Objects    stackoverflow.com

In JavaScript, it seems you can do either write:

new Date().getTime();

(new Date).getTime();

2. Instantiate a JavaScript Object Using a String to Define the Class Name    stackoverflow.com

Here's what I'm trying to do -- this is pseudo code and doesn't work. Does anyone know how to accomplish this for reals:

// Define the class
MyClass = Class.extend({});

// Store the class ...

3. Learning JavaScript variable scope and object instantiation    stackoverflow.com

var foo = (function() {
    var proxy = {},
        warning = false;

    proxy.warn = function(msg) {
   ...

4. My JavaScript seems to crash when I instantiate a new Date Object    stackoverflow.com

I am new to JavaScript with this being my first little app. I am working on this Calendar / Date Time Picker program. I seem to have entered a nightmare scenario ...

5. javascript object instantiation to include an array as one of the properties    stackoverflow.com

I am trying to create an object which includes an array stPoints as one of its properties. I am getting an error message saying that stPoints is undefined. What is the proper ...