Take a look at chewbranca's work on Fauxton in the master branch of couchdb, and some of his personal riffs at https://github.com/chewbranca/mr-turtles https://

Take a look at chewbranca's work on Fauxton in the master branch of couchdb, and some of his personal riffs at https://github.com/chewbranca/mr-turtles https://github.com/chewbranca/mr-turtles. The idea is to use tools like you mentioned to run JS in browser, on server, and in the database.