Requires jquery

Best-practices-plus-Revealing-module-pattern

/*
 * Module       : personCreator
 * Purpose      : Ease the creation of Person objects, and keeps track of created people.
 * Created by   : Martin Jul Hammer
 * Date         : 24-12-2016
 */
(function (personCreator, $, undefined) {
    "use strict";

    var peopleCreated = [];

    /**
     * Prototype (class) representing a person.
     * @private
     * @param {String} firstName - The person's first name.
     * @param {String} lastName - The person's last name.
     */
    var Person = function (firstName, lastName) {
        this.firstName = firstName;
        this.lastName = lastName;
        this.fullName = function () {
            return this.firstName + " " + this.lastName;
        };
    };

    /**
     * Creates a new person object, and saves it in peopleCreate.
     * @public
     * @param {String} firstName - The person's first name.
     * @param {String} lastName - The person's last name.
     * @returns {Person} The created person.
     */
    personCreator.createPerson = function (firstName, lastName) {
        var person = new Person(firstName, lastName);
        peopleCreated.push(person);
        return person;
    };

    /**
     * Get all created people.
     * @public
     * @returns {[]} An array of person objects created.
     */
    personCreator.getCreatedPeople = function () {
        return peopleCreated;
    };

}(window.personCreator = window.personCreator || {}, jQuery));

// Use module when the dom is ready.
$(function () {
    var person = personCreator.createPerson("Martin", "Hammer");
    personCreator.createPerson("Bob", "Fischer");
    personCreator.createPerson("Alice", "Archer");
    console.log(person.fullName()); // Logs Martin Hammer.
    console.log(personCreator.peopleCreated); // Logs undefined.
    console.log(personCreator.getCreatedPeople()); // Logs an array with 3 People objects.
});