SOURCE

const Person = function (name) {
  this.name = name;
  this.say = function () {
    console.log(this);
  }
}


const person = new Person('PL');
person.say(); //My name is PL
console.log('person:');
console.log(person);

const anotherPerson = Person('Panckle');

anotherPerson.say();
console.log('anotherPerson:');
console.log(anotherPerson);