ArrayGroupBy

Returns a struct of keys returned from the predicate function and values of arrays of matching rows.

 values = [ 1, 2, 3, 4 ];
 values.groupBy( ( value ) => value % 2 ? "odd" : "even" );
 // { odd: [ 1, 3 ], even: [ 2, 4 ] }
 

Method Signature

ArrayGroupBy(array=[array], callback=[function])

Arguments

Argument	Type	Required	Description	Default
array	array	true	The array to group.
callback	function	true	The function to invoke for each item. The function will be passed 3 arguments: the value, the index, the array. You can alternatively pass a Java Predicate which will only receive the 1st arg.

Examples

Related

• ArrayAppend

• ArrayAvg

• ArrayChunk

• ArrayClear

• ArrayContains

• ArrayContainsNoCase

• ArrayDelete

• ArrayDeleteAt

• ArrayDeleteNoCase

• ArrayEach

• ArrayEvery

• ArrayFilter

• ArrayFind

• ArrayFindAll

• ArrayFindAllNoCase

• ArrayFindFirst

• ArrayFindNoCase

• ArrayFirst

• ArrayFlatMap

• ArrayFlatten

• ArrayGetMetadata

• ArrayIndexExists

• ArrayInsertAt

• ArrayIsDefined

• ArrayLast

• ArrayMap

• ArrayMax

• ArrayMedian

• ArrayMerge

• ArrayMid

• ArrayMin

• ArrayNew

• ArrayNone

• ArrayPop

• ArrayPrepend

• ArrayPush

• ArrayRange

• ArrayReduce

• ArrayReduceRight

• ArrayReject

• ArrayResize

• ArrayReverse

• ArraySet

• ArrayShift

• ArraySlice

• ArraySome

• ArraySort

• ArraySplice

• ArraySum

• ArraySwap

• ArrayToList

• ArrayToStruct

• ArrayTranspose

• ArrayUnique

• ArrayUnshift

• ArrayZip