pas bagian sepuluh dia undefined

[ajiehatajie]

running before sembilan seconds
running before undefined seconds
running before sebelas seconds

/*contoh */

const SetWaktuInterval = 1000;
const SetWaktu = 0;

var intervalObject = setInterval(function()
{ var now = new Date();
var tanggal = dateformat(now, "dddd, mmmm dS, yyyy, h:MM:ss TT");
SetWaktu += SetWaktuInterval;
console.log( running before ${terbilang(SetWaktu/1000)} seconds);

},SetWaktuInterval);