Object-Oriented JavaScript - Third Edition

Using object() method

Based on the idea that objects inherit from objects, Douglas Crockford advocates the use of an object() function that accepts an object and returns a new one that has the parent as a prototype:

    function object(o) { 
    function F() {} 
    F.prototype = o; 
    return new F(); 
    } 

If you need access to an uber property, you can modify the object() function as follows:

    function object(o) { 
    var n; 
    function F() {} 
    F.prototype = o; 
    n = new F(); 
    n.uber = o; 
    return n; 
    } 

Using this function is the same as using extendCopy(), you take an object such as twoDee, create a new object from it, and then proceed to augmenting the new object:

 var triangle = object(twoDee); triangle.name = 'Triangle'; triangle.getArea = function () { return this.side * this.height ...