calculate_age.js

/* Tính tuổi */
function calculateAge (birthDate, otherDate) {
	birthDate = new Date(birthDate);
	otherDate = new Date(otherDate);
	var years = (otherDate.getFullYear() - birthDate.getFullYear());
	if (otherDate.getMonth() < birthDate.getMonth() || otherDate.getMonth() == birthDate.getMonth() && otherDate.getDate() < birthDate.getDate()) {
		years--;
	}
	return years;
}