Prototypal Inheritance — Interview Answer — JS Technical Interview Questions & Answers

Model answer contrasting it with classical inheritance.

Prototypal Inheritance — Interview Answer

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Code Examples for Prototypal Inheritance — Interview Answer

Prototypal Inheritance — Interview Answer — working example

class Animal {
  static kingdom = "Animalia";
  #secret = "private";
  constructor(name) { this.name = name; }
  speak() { return this.name + " speaks"; }
  reveal() { return this.#secret; }
}
class Dog extends Animal {
  speak() { return super.speak() + " (bark)"; }
}
const d = new Dog("Rex");
console.log(d.speak(), Animal.kingdom, d.reveal());
console.log(Object.getPrototypeOf(d) === Dog.prototype);

Prototypal Inheritance — Interview Answer — oOP in JS: constructors, prototypes, inheritance, statics, and private fields (#).

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