JavaScript Gen

Why it returns false? let a = new Object() let b = Object() console.log(a) // {} console.log(b) // … Read more Why Is `object() === New Object()` Equal To `false`?

Consider this short code: let obj1 = { name: 'obj1', } const obj2 = Object.create(obj1);… Read more How Could This Be True??? Obj2.__proto__.isprototypeof(obj2) //true

This is for a very specific use case. And this is all in typescript (which for this use case I thin… Read more What Is The Specific Impact Of Assigning __proto__ In Each Browser?

I'm trying to understand how js prototypes and classes work, and I'm using Chrome's con… Read more Console.log A Javascript Object/class - Same Result Before And After The Change Of The Prototype

Consider the following snippet: function shape(){ this.name = '2d shape' } function tr… Read more Resetting The Constructor Property Of Prototype Object

How can one detect if a given browser has the searchParams prototype for URL? https://developer.mo… Read more How To Tell If An Object Has A Given Prototype?

Here is a simple example of what I want : var ConstBuilder = function() { var constructor = fun… Read more Javascript Build A Constructor Of Constructors

I wrote the following: Object.prototype.length = function(){ var count = -1; for(var i in t… Read more I Tried To Prototype A Length() Method To Object And Broke Jquery – How?

Example taken from here: http://sporto.github.io/blog/2013/02/22/a-plain-english-guide-to-javascrip… Read more Javascript: Prototype Attribute Not Visible On Parent

Honestly, I am trying to understand JavaScript prototypes and I'm not making much progress. I … Read more How To Use Prototype For Custom Methods And Object Manipulation

We have been debating how best to handle objects in our JS app, studying Stoyan Stefanov's book… Read more What's Wrong With This Style Of Coding Javascript? (closures Vs. Prototypes)

const test = new Date() test.hasOwnProperty('getTime') // false 'getTime' in test /… Read more Hasownproperty('gettime') Returns False On Date Object

I have a constructor function like below: var Person = function (name, age) { this.name = name;… Read more How To Map An Object Literal To Be An Instance Of My Constructor Function?

My question is Object is last on prototype chain all objects inherit properties and methods from it… Read more Javascript Prototypes And Inheritance

So, suppose I have the following constructor function, whose prototype I have modified like so: fun… Read more Best Way To Create A New Constructor That Relies On An Old One Using Prototypes

var foo = { bar : 5 } Why is foo.hasOwnProperty('__proto__') equal to false? It can'… Read more Why Is Foo.hasownproperty('__proto__') Equal To False?

I know that it seems that there is a lot of reference in the net or books for my question, but beli… Read more What Is The __proto__ Value Of An Object That Is Being Created By Constructor

I was wondering if I can create a subclass of HTMLDivElement. Like this. MyDivElement.prototype.pic… Read more Can I Subclass A Dom-class?

Which method below is best to define a constructor prototype and why? Method 1: MyConstructor.proto… Read more Define Constructor Prototype With Object Literal

From what I've gleamed online, one way to extend an object in JavaScript is by first cloning it… Read more Dataview And Prototypical Inheritance