let ctrl = new NoteController({ Connector: _connector });
ctrl.Save(username, title, notesData,
function(result) {
callback(result);
});
ctrl.Get(title,
function(result) {
callback(result);
});
ctrl.Delete(title,
function(result) {
callback(result);
});
ctrl.GetByUsername(
function(result) {
callback(result);
});