Cara membuat fungsi yang berfungsi setiap 15 menit
let timer = setInterval(function() {
// code
console.log('done');
}, 1000*60*15); // time is in milliseconds. 1000 ms * 60 sec * 15 min
let timer = setInterval(function() {
// code
console.log('done');
}, 1000*60*15); // time is in milliseconds. 1000 ms * 60 sec * 15 min