Just use database at client side (e.g. PouchDB), which will solve your problems with concurrent modifications. Your Views will display data from DB. Your Contro

Just use database at client side (e.g. PouchDB), which will solve your problems with concurrent modifications. Your Views will display data from DB. Your Controllers will put data into DB. Your DB will be Model. As bonus, PouchDB is able to replicate to CouchDB server without need to configure CouchDB at all (except CORS), which is superb for quick prototyping of real apps using clientside javascript only.