invoke

shiftcollection.shift([options]) Remove and return the first model from a collection. Takes the same options as

sortBy

reject

countBy

findWherecollection.findWhere(attributes) Just like where

map (collect)

pluckcollection.pluck(attribute) Pluck an attribute from each model in the collection. Equivalent to calling map and

rest (tail, drop)

find (detect)