JavaScript OOP

var js = new JavaScript();
js.isObjectOrientated = true;const book = {   title: "Hippie",       author: "Paulo Coelho",     year: "2018"}function Person(name) {
  this.name = name;
  this.greeting = function() {
    alert('Hi! I\'m ' + this.name + '.');
  };
}var salva = createNewPerson('Salva');
salva.name;
salva.greeting();