Originally written by David Flanagan, updated for the IDB SetVersion changes (new in Firefox 10).

Enter a zip code to find its city:

Zipcode: City:

Based on indexeddb example by David Flanagan.

To Enable, ensure the following settings:

in fennec => about:config

dom.indexedDB.enabled = true

dom.indexedDB.warningQuota = 5

indexedDB.feature.enabled = true