gistfile1.coffee

class VisitsView extend Backbone.View
  initialize: ->
    @collection.on 'change', @renderVisits, @
    
  renderVisits: ->
    # ....

visits = new Backbone.Collection()

view = new VisitsView
  collection: visits
  
persistence = new PersistenceLayer()  

persistence.loadVisits (visits) ->
  visits.add(visits)
  
persistence.saveVisits(visits.toJSON())