ZateExt Class in OOP in JavaScript

Задание 1

Make a class ZateExt that will inherit from the Zate class from the previous lesson and extend it with some methods.

Задание 2

Create a method that will add a specified number of years to a date.

Задание 3

Create a method that will subtract a specified number of years from a date.

Задание 4

Create a method that will add a specified number of months to a date.

Задание 5

Create a method that will subtract a specified number of months from a date.

Задание 6

Create a method that will add a specified number of days to a date.

Задание 7

Create a method that will subtract a specified number of days from a date.