getholiday.js

var dateObj = new Date();
var month = ('0' + (dateObj.getMonth() + 1)).slice(-2);
var date = ('0' + dateObj.getDate()).slice(-2);
var year = dateObj.getFullYear();
var shortDate = year + '' + month + '' + date;

// Replace ./data.json with your JSON feed
fetch('https://raw.githubusercontent.com/guangrei/Json-Indonesia-holidays/master/calendar.json')
 .then(response => response.json())
.then(data => {
  if(data[shortDate]){
  	console.log(data[shortDate]['deskripsi']);
  }else{
  	console.log('Jangan lupa absen.')
  }
})
.catch((error) => {
  console.error('Error:', error);
});