const isBetweenDates = (dateStart, dateEnd, date) =>
date > dateStart && date < dateEnd;
isBetweenDates(
new Date(2010, 11, 20),
new Date(2010, 11, 30),
new Date(2010, 11, 19)
); // false
isBetweenDates(
new Date(2010, 11, 20),
new Date(2010, 11, 30),
new Date(2010, 11, 25)
); // true
Дата и время
JavaScript