Methods
(static) countDaysOfMonth(month, year) → {number|null}
Gets the number of days of a month.
Parameters:
| Name | Type | Description |
|---|---|---|
month |
number | A month (from 1 to 12) |
year |
number | A year (to consider 29 days for february on leap years) |
- Source:
Returns:
A number of days or null in case of invalid params
- Type
- number | null
Example
countDaysOfMonth( 1, 2021 ); // returns 31
countDaysOfMonth( 2, 2021 ); // returns 28
countDaysOfMonth( 2 ); // returns null
- - -(static) countDaysOfRange(from, till) → {number|null}
Gets the number of days of a date range including the starting and ending limits.
Parameters:
| Name | Type | Description |
|---|---|---|
from |
Object | Array.<Object> | string | Date | A starting date of a range |
till |
Object | Array.<Object> | string | Date | A ending date of a range |
- Source:
Returns:
A number of days or null in case of invalid params
- Type
- number | null
Example
countDaysOfRange( '20210429', '20210502' ) // returns 4
countDaysOfRange( '20210502', '20210429' ) // returns -4
- - -(static) countDaysOfYear(year) → {number|null}
Gets the number of days of a year.
Parameters:
| Name | Type | Description |
|---|---|---|
year |
number | A year |
- Source:
Returns:
A number of days or null in case of invalid param
- Type
- number | null
Example
countDaysOfYear( 2021 ); // returns 365
countDaysOfYear( 2024 ); // returns 366
countDaysOfYear(); // returns null
- - -