Creates an object composed of keys generated from the results of running
each element of collection thru iteratee. The order of grouped values
is determined by the order they occur in collection. The corresponding
value of each key is an array of elements responsible for generating the
key. The iteratee is invoked with one argument: (value).
Creates an object composed of keys generated from the results of running each element of
collection
thruiteratee
. The order of grouped values is determined by the order they occur incollection
. The corresponding value of each key is an array of elements responsible for generating the key. The iteratee is invoked with one argument: (value).