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

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;...

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...

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;...

Eg:  function A(){} function B(){} B.prototype = new A();   How can I check if the class B inherits class A?...

I have a Javascript "class" defined like so:  var Welcomer = function(name) {   var pName = name;   var pMessage = function() {     return "Hi, " + pName + "!";   };    return {     sayHi: function() {       alert(pMessage());...

I have come across prototype inheritance in javascript.  What I wanted to achieve is an outline of methods, which when are inherited must be implemented/defined.  I would like to know if this is possible and if so, how....