Function isoWeekday

Returns the ISO day of week. Mon=1,Tue=2,...,Sun=7

  • isoWeekday(
        date: Date,
        startOfWeek?:
            | "monday"
            | "mon"
            | "tuesday"
            | "tue"
            | "wednesday"
            | "wed"
            | "thursday"
            | "thu"
            | "friday"
            | "fri"
            | "saturday"
            | "sat"
            | "sunday"
            | "sun",
    ): number

    Parameters

    • date: Date
    • startOfWeek:
          | "monday"
          | "mon"
          | "tuesday"
          | "tue"
          | "wednesday"
          | "wed"
          | "thursday"
          | "thu"
          | "friday"
          | "fri"
          | "saturday"
          | "sat"
          | "sunday"
          | "sun" = "sun"

    Returns number

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