saveDoc.js

$.couch.urlPrefix = "https://username:password@username.cloudant.com";

var db = $.couch.db('crud');

var doc = {"_id":"foo", "name": "bar"};

db.saveDoc(doc, {
  success: function(response, textStatus, jqXHR){
    console.log(response);
  },
  error: function(jqXHR, textStatus, errorThrown){
    console.log(errorThrown);
  }
});