This test exercises various uses of IDBObjectStore.delete() 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) Initial upgrade needed: Old version - 0 New version - 1 Count is 113 Initial upgrade versionchange transaction complete Deleted "Tue Jan 04 2000 01:00:00 GMT+0100 (CET)", and there should now be 1 less things total. Count is 112 Deleted "Tue Jan 04 2000 01:00:00 GMT+0100 (CET)", and there should now be 0 less things total. Count is 112 Deleted "balyhoo", and there should now be 0 less things total. Count is 112 Deleted "[object IDBKeyRange]", and there should now be 0 less things total. Count is 112 Deleted "[object IDBKeyRange]", and there should now be 1 less things total. Count is 111 Deleted "[object IDBKeyRange]", and there should now be 1 less things total. Count is 110 Deleted "[object IDBKeyRange]", and there should now be 5 less things total. Count is 105 Deleted "[object IDBKeyRange]", and there should now be 98 less things total. Count is 7 Deleted "[object IDBKeyRange]", and there should now be 3 less things total. Count is 4 readwrite transaction complete PASS successfullyParsed is true TEST COMPLETE