weekNumbers

Determines if week numbers should be displayed on the calendar.

<div class='spec' markdown='1'> Boolean, *default*: `false` </div>

If set to true, week numbers will be displayed in a separate left column in the month/basic views as well as at the top-left corner of the agenda views.

By defaut, FullCalendar will display the ISO8601 week number. To display other types of week numbers, see weekNumberCalculation.