Get the signed number of full (rounded towards 0) minutes between the given dates.
Example
// How many minutes are between 2 July 2014 12:07:59 and 2 July 2014 12:20:00? constresult = differenceInMinutes( newDate(2014, 6, 2, 12, 20, 0), newDate(2014, 6, 2, 12, 7, 59) ) //=> 12
Example
// How many minutes are between 10:01:59 and 10:00:00 constresult = differenceInMinutes( newDate(2000, 0, 1, 10, 0, 0), newDate(2000, 0, 1, 10, 1, 59) ) //=> -1
The later date