Railo 4.2 Reference
Choose a function:

Object Method Array.reduce

Iterates over every entry of the given array and calls the closure with every element.
      This function will reduce the array to a single value and will return the value.
Array.reduce(function closure,[object initalValue]):any

Argumente

Die Argumente für diese Funktion sind fest vorgegeben. Ausser den nachfolgenden Argumenten dürfen keine weiteren verwendet werden.
Name Typ Required Beschreibung
closure function  Yes function/closure that implements the following constructor [function(any result, object value, [, numericindex [, array]]):any].
initalValue object  No inital value passed as part of the first closure call