Private Properties and Methods

Using var or let or const you can create private properties and methods.

Ex: –
this.price
var price
let price

Prototype

Every object has an internal prototype that gives it its structure. This internal prototype is a reference to an object describing the code and data that all objects of that same type will have in common.

Prototype Object

Every object is associated with another Object in JavaScript

Prototype Object

Every object is associated with another object in JavaScript.

Note – Prototype Object of Object.prototype is null

Prototype Object

Every object is associated with another object in JavaScript.

Note – Prototype Object of Object.prototype is null

Prototype Object

Every object is associated with another object in JavaScript.

Note – Prototype Object of Array.prototype is Object.prototype and
Prototype Object of Object.prototype is null

Prototype Object