Returns grouped values within an array

Parameters

values Array (required) - The values to sort

callback function (optional) - A transform function to use when sorting objects

Returns

Array

Examples

GROUP(['red', 'green', 'green', 'blue'])

// returns {"red":["red"],"green":["green","green"],"blue":["blue"]}
GROUP([1, 1, 1, 2, 3])

// returns {"1":[1,1,1],"2":[2],"3":[3]}

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