let getDayOfWeek = function (dayFirst, number) {
let weekDays = {
'понедельник': 1,
'вторник': 2,
'среда': 3,
'четверг': 4,
'пятница': 5,
'суббота': 6,
'воскресенье': 0
};
let dayNumber = (number % 7) + weekDays[dayFirst]-1;
return Object.keys(weekDays)[dayNumber-1];
}
let getDayOfWeek = function (dayFirst, number) {
let weekDays = ['воскресенье', 'понедельник', 'вторник', 'среда', 'четверг',
'пятница', 'суббота'];
let dayNumber = (number % 7) + weekDays.indexOf(dayFirst)-1;
return weekDays[dayNumber];
}
const getDayOfWeek = (firstDayOfMonth, askedDay) => {
const week = ["понедельник", "вторник", "среда", "четверг", "пятница", "суббота", "воскресенье"];
const indexOfFirstDay = week.indexOf(firstDayOfMonth);
const dayOfWeek = (indexOfFirstDay + askedDay - 1) % 7;
return week[dayOfWeek];
}