How Does Prototypical Inheritance Work?

Prototypical inheritance allows us to reuse the properties or methods from one JavaScript object to another through a reference pointer function. All JavaScript objects inherit properties and methods from a prototype: Date objects inherit from Date.

What's the idea behind prototypical inheritance?

So, the core idea of Prototypal Inheritance is that an object can point to another object and inherit all its properties. The main purpose is to allow multiple instances of an object to share common properties, hence, the Singleton Pattern.

What is prototypical inheritance and how useful is it?

The Prototypal Inheritance is a feature in javascript used to add methods and properties in objects. It is a method by which an object can inherit the properties and methods of another object. Traditionally, in order to get and set the [[Prototype]] of an object, we use Object. getPrototypeOf and Object.