func:eachMonth

eachMonth(dates, fn)

Iterate the months of a span. The dates argument may be any object converted into a date range by toDateSpan(). The given function is called with a DateSpan argument for each interated month.

Examples:

// iterate each month in 2010, and echo data range
eachMonth(2010) d => echo(d)

// call f once for current method
eachMonth(today(), f)