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;...
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