function dateFormat(inputDate, format) {
//parse the input date
const date = new Date(inputDate);
//extract the parts of the date
const day = date.getDate();
const month = date.getMonth() + 1;
const year = date.getFullYear();
//replace the month
format = format.replace("MM", month.toString().padStart(2, "0"));
//replace the year
if (format.indexOf("yyyy") > -1) {
format = format.replace("yyyy", year.toString());
} else if (format.indexOf("yy") > -1) {
format = format.replace("yy", year.toString().substr(2, 2));
}
//replace the day
format = format.replace("dd", day.toString().padStart(2, "0"));
return format;
}
var bugun = dateFormat('<?php echo date('Y-m-d');?>', 'yyyy-MM-dd');