The request object does not initially contain any information about the result of the operation, but once information becomes available, an event is fired on the request, and the information becomes available through the properties of the IDBRequest
instance.
Documentation IDBRequest by Mozilla Contributors, licensed under CC-BY-SA 2.5.
See:
Variables
read onlyreadyState:RequestReadyState
The state of the request. Every request starts in the pending
state. The state changes to done
when the request completes successfully or when an error occurs.
Returns the result of the request. If the the request failed and the result is not available, an InvalidStateError exception is thrown.
read onlysource:EitherType<ObjectStore, EitherType<Index, Cursor>>
The source of the request, such as an IDBIndex
or an IDBObjectStore
. If no source exists (such as when calling IDBFactory.open
), it returns null.
read onlytransaction:Transaction
The transaction for the request. This property can be null for certain requests, for example those returned from IDBFactory.open
unless an upgrade is needed. (You're just connecting to a database, so there is no transaction to return).