Instance MethodFoundationEssentials
weekOfYear()
iOS 15.0+
iPadOS 15.0+
Mac Catalyst 15.0+
macOS 12.0+
tvOS 15.0+
watchOS 8.0+
Modifies the ISO 8601 date format style to include the week of the year in the formatted output.
func weekOfYear() -> Date.ISO8601FormatStyleReturn Value
An ISO 8601 date format style modified to include the week of the year.
Discussion
When the format style includes the week of year, the output represents the day as the ordinal day of the week.