countBy

"sort" (collection, options) â when the collection has been re-sorted.

modelIdcollection.modelId(attrs) Override this method to return the value the collection will use to identify a model given its attributes

invert

destroymodel.destroy([options]) Destroys the model on the server by delegating an HTTP DELETE request to

reject

findWherecollection.findWhere(attributes) Just like where

map (collect)

keys

listenToobject.listenTo(other, event, callback) Tell an object to listen to a particular event on an other object.