Re: [Bug 11348] New: [IndexedDB] Overhaul of the event model

> I think generally avoiding throwing exceptions is a good thing. So for
> .errorCode I would say returning unidentified or 0 is the way to go.

I would say we should add a code to IDBDatabaseException, NO_ERR = 0.
Or else indicate somehow that 0 is reserved for "no exception". Then
return that from errorCode.

> But it does seem like a
> pretty bad bug if you do access these properties before having a
> result. So maybe exception is in fact better here.

Definitely agreed. People will want to know that they're checking a
result too early.

-Ben