"request" (model_or_collection, xhr, options) â when a model or collection has started a request to the server.

"reset" (collection, options) â when the collection's entire contents have been reset

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

"invalid" (model, error, options) â when a model's validation fails on the client.

onceobject.once(event, callback, [context]) Just like on

triggerobject.trigger(event, [*args]) Trigger callbacks for the given event, or space-delimited list of events. Subsequent

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

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

"all" â this special event fires for any triggered event, passing the event name as the first argument followed by all trigger arguments.

"route:[name]" (params) â Fired by the router when a specific route is matched.