External module "time/iso-weeks-in-year/docs/types/index.d"

Export assignment isoWeeksInYear

• isoWeeksInYear(value?: number | Date): number

• Returns the number of ISO weeks in a year according to the Gregorian calendar.

  Notes

  • By default, the function returns the number of ISO weeks in the current year (according to local time). To determine the number of ISO weeks for a particular year, provide either a year or a Date object.

  Parameters

  • Optional value: number | Date

    year or Date object

  Returns number

  number of ISO weeks in a year

  Example

  var num = isoWeeksInYear();
  // returns <number>

  Example

  var num = isoWeeksInYear( 2015 );
  // returns 53

  Example

  var num = isoWeeksInYear( 2017 );
  // returns 52