js-001.js

// Human constructor
function Human(name) {
  this.name = name;
}

// Define name as a property
Object.defineProperty(Human.prototype, 'name', {
  set: function (value) {
    if (typeof value !== 'string') {
      throw new TypeError('Name value was not a string');
    }
    this._name = value
      .split(' ')
      .map(function (item) {
        return item[0].toUpperCase() + item.substring(1);
      })
      .join(' ');
  },
  get: function () {
    throw new Error('This value can not be read by this way');
  }
});

// Get name of human
Human.prototype.getName = function () {
  return this._name;
}

// Human race
Human.prototype.race = 'Terran'

// Man constructor
function Man(name) {
  Human.call(this, name);
}

// Extends Man from Human
Man.prototype = Object.create(Human.prototype);
Man.prototype.gender = 'Male';
Man.prototype.constructor = Man;

const instanceHuman = new Human('chiro hiro');
console.log('My name is:', instanceHuman.getName(), 'Race:', instanceHuman.race);

const instanceMan = new Man('Some body we used to know');
console.log('My name is:', instanceMan.getName(), 'Race:', instanceMan.race, 'Gender:', instanceMan.gender);