Finally, add a database backend to your mobile app.
Written by Jeff Olen
In parts 1 and 2 of this series, we built a simple to-do list application. Now we come to the final step in the process: adding the backend database. Previously, in part 2, we could add and delete the to-do list items in the Document Object Model (DOM), but they weren't saved anywhere and therefore would not persist between instances of the application.