objects.js

/**
 * Objects can have propperties and methods.
 *
 * Think of it as an abstraction of real world objects.
 *
 * There is much more to cover about objects!-)
 */

var person = {
  age: 32,
  gender: 'm',
  name: 'John',
  lastname: 'Doe',

  createSalutation: function() {
    var salutation;

    if (this.gender == 'f') {
      salutation = 'Dear Mrs. ';
    } else {
      salutation = 'Dear Mr. ';
    }

    salutation += this.name + ' ' + this.lastname;

    return salutation;
  }
}

// how to call a method
var mySalutation = person.createSalutation();
//console.log(someVariable);