Ensure that IDBDatabase objects are deleted when there are no retaining paths left On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". indexedDB = self.indexedDB || self.webkitIndexedDB || self.mozIndexedDB || self.msIndexedDB || self.OIndexedDB; indexedDB.deleteDatabase(dbname) indexedDB.open(dbname) db.close() indexedDB.open(dbname) Dropping references to new connection. gc() Open request should not receive a blocked event: indexedDB.open(dbname, 2) PASS successfullyParsed is true TEST COMPLETE