date.subtractDays()
This method subtracts the number of days from the date.
Parameters
Numeric value
Return Value
Date with number of days subtracted
Example
pjs.define("date", { type: 'date', initValue: '2017-01-25'});
date = date.subtractDays(10);
return date;
//2017-01-15
RPG Equivalent
%DAYS()