CollectionReduce()

Iterates over every entry of the collection and calls the closure with every element. This function will reduce the array to a single value and will return the value.

CollectionReduce( collection=object, closure=function, initialValue=object );

Returns: any

Argument Description
collection
object, required

collection to iterate

Alias: object
closure
function, required

function/closure that implements the following constructor [function(... depending on the given collection ...):any].

Alias: function, callback, udf
initialValue
object, optional

initial value passed as part of the first closure call

Alias: initial, initalValue

Examples

thresholds = [1, 3, 4, 5];
score = CollectionReduce(thresholds, function(a, b) {
  return a + b^2;
}, 0);
dump(score); // 51
score = thresholds.reduce(function(a, b) {
  return a + b^2;
}, 0);
dump(score); // 51

See also