function dataHandling2(arr) {

arr.splice(1, 2, "Roman Alamsyah Elsharawy", "Provinsi Bandar Lampung");

arr.splice(4, 1, "Pria", "SMA Internasional Metro");

console.log(arr);

let bulan = arr[3].split('/')[1];

switch (bulan) {

case "01":

bulan = "Januari";

break;

case "02":

bulan = "Februari";

break;

case "03":

bulan = "Maret";

break;

case "04":

bulan = "April";

break;

case "05":

bulan = "Mei";

break;

case "06":

bulan = "Juni";

break;

case "07":

bulan = "Juli";

break;

case "08":

bulan = "Agustus";

break;

case "09":

bulan = "September";

break;

case "10":

bulan = "Oktober";

break;

case "11":

bulan = "November";

break;

case "12":

bulan = "Desember";

break;

default:

bulan = "Bulan antara 01 - 12";

break;

}

console.log(bulan);

let ttlSort = arr[3].split('/').sort((a, b) => b - a);

console.log(ttlSort);

/* string replace method

let ttlReplace = arr[3].replace(/[/]/g, '-');

*/

let ttlStrip = arr[3].split('/').join('-');

console.log(ttlStrip);

let nameSlice = arr[1].slice(0, 15);

console.log(nameSlice);

}

var input = ["0001", "Roman Alamsyah ", "Bandar Lampung", "21/05/1989", "Membaca"];

dataHandling2(input);

/**

* keluaran yang diharapkan (pada console)

*

* ["0001", "Roman Alamsyah Elsharawy", "Provinsi Bandar Lampung", "21/05/1989", "Pria", "SMA Internasional Metro"]

* Mei

* [1989, 21, 05]

* 21-05-1989

* Roman Alamsyah

*/