- Object adalah sebuah variable yang menyimpan nilai properti dan fungsi method 

                var namaObject = {
                    // propety
                    key: "value",

                    // method
                    method: function() {
                        // isi fungsi
                    }
                }

                // memanggil propety
                var = namaObject.key //=> "value"


                // memanggil object
                namaObject.method()
            

    
                function person(firstName, lastName) {
                    // propety
                    this.firstName = firstName;
                    this.lastName = lastName;
                  
                    // method
                    this.fullName = function () {
                      return `${this.firstName} ${this.lastName}`;
                    };
                    this.showName = function () {
                      document.write(this.fullName());
                    };
                  }
                  
                  var person1 = new person("aria", "anom");
                  var person2 = new person("abdul", "malik");
                  
                  person1.showName();
                  document.write("<br>");
                  person2.showName();