This question already has an answer here:                           Javascript object members that are prototyped as arrays become shared by all class instances                                      3 answers                                     S...

The API Reference Scope page says:     A scope can inherit from a parent scope.   The Developer Guide Scope page says:     A scope (prototypically) inherits properties from its parent scope.   So, does a child scope always prototypically inherit fr...

In the section about inheritance in the MDN article Introduction to Object Oriented Javascript, I noticed they set the prototype.constructor:  // correct the constructor pointer because it points to Person Student.prototype.constructor = Student;...

I don't understand this behavior in javascript for inheritance I've always seen it defined like so :  function GameObject(oImg, x, y) {      this.x = x;     this.y = y;     this.img = oImg;      this.hit = new Object();     this.hitBox.x =...

function Gadget(name, color) {    this.name = name;    this.color = color; }  Gadget.prototype.rating = 3  var newtoy = new Gadget("webcam", "black")  newtoy.constructor.prototype.constructor.prototype.constructor.prototype    It al...

In JavaScript what is the difference between these two examples:  Prerequisite:  function SomeBaseClass(){ }  SomeBaseClass.prototype = {     doThis : function(){     },      doThat : function(){     } }   Inheritance example A using Object.create:...

One of the major advantages with Javascript is said to be that it is a prototype based language.   But what does it mean that Javascript is prototype based, and why is that an advantage?...

I have googled so many links and can't get good idea about the difference between classical inheritance and prototypal inheritance?  I have learned some things from these but I'm still confused about the concepts.   Benefits of prototypal i...

function a () {     return "foo"; }  a.b = function () {     return "bar"; }  function c () { }; c.prototype = a;  var d = new c(); d.b(); // returns "bar" d(); // throws exception, d is not a function   Is there some way fo...

In JavaScript: The Good Parts, Crockford argues that one of the downsides of using the pseudo-classical pattern of inheritance is that it publicly exposes instance variables.   For example:  var Ball = function(width, color) {   this.width = width;...