“Cannot call method 'open' of undefined” error when using indexedDB.open

Question

I am new to IndexedDB and I am following this guide IndexedDB Tutorial I am simply trying to create a database and then be able to add a few entries. This is what I have so

Answer 1

Here is the indexeddb demo from html5rocks which i have improved to work on Mozilla Firefox and added features for viewing details data and editing existing data. Inside you have explanations how to create db, insert, update and delete data in indexeddb.

https://github.com/denimf/IndexedDbToDo