What does this log?

class Animal {
  static create(name) {
    return new this(name);
  }

  constructor(name) {
    this.name = name;
  }

  speak() {
    return `${this.name} makes a sound`;
  }
}

class Dog extends Animal {
  speak() {
    return `${this.name} barks`;
  }
}

const d = Dog.create('Rex');

console.log(d.speak());
console.log(d instanceof Dog);