backbone.boxspring.js
function(err, data, response) {

				// call the 'response' callback, if provided using 'node' style callback pattern
				if (options.complete) {
					options.complete.call(model, err, data, response, options);
				}

				// trigger any event listeners for "complete"
				model.trigger('complete', err, data, response, options);
			}
function(err, data, response) {

				// call the 'response' callback, if provided using 'node' style callback pattern
				if (options.complete) {
					options.complete.call(model, err, data, response, options);
				}

				// trigger any event listeners for "complete"
				model.trigger('complete', err, data, response, options);
			}
function ( err , data , response ) { // call the 'response' callback, if provided using 'node' style callback pattern if ( options . complete ) { options . complete . call ( model , err , data , response , options ) ; } // trigger any event listeners for "complete" model . trigger ( 'complete' , err , data , response , options ) ; }
complete call back
complete call back