hasmodel.has(attribute) Returns true if the attribute is set to a non-null or non-undefined value.

defaultsmodel.defaults or model.defaults() The defaults hash (or function) can be used to specify the default attributes for

pairs

findLastIndex

"change:[attribute]" (model, value, options) â when a specific attribute has been updated.

initial

"sync" (model_or_collection, response, options) â when a model or collection has been successfully synced with the server.

hasChangedmodel.hasChanged([attribute]) Has the model changed since its last

fetchcollection.fetch([options]) Fetch the default set of models for this collection from the server,

onobject.on(event, callback, [context])Alias: bind Bind a callback function to an object. The callback