JavaScript Lib

In this code: function Cls() { this._id = 0; Object.defineProperty(this, 'id', { … Read more How Can I Get Console.log To Output The Getter Result Instead Of The String "[getter/setter]"?

In the following code, both uses of console.log(o.x) print 1. What happens to the assignment o.x = … Read more In Javascript, What Happens If I Assign To An Object Property That Has A Getter But No Setter?

Let's say I've got the following javascript object var obj = { a:{ … Read more Create Path From Javascript Object Property

i want to have reusable function that maps an array of objects based on property passed as paramete… Read more Dynamically Accessing Object Property In .map Array Function

I have an object which will only have one property (own property). What is the easiest way to acce… Read more The Easiest Way To Access An Object's Single Own Property?

As I google this question so one person give answer that property is faster than method and give on… Read more Property Is Faster Than Method? Need Reason For It

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

I've got a collection of disparate, complex JSON objects from a CouchDB database. Each contains… Read more In Javascript, Test For Property Deeply Nested In Object Graph?