Test IndexedDB keyrange required arguments On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS IDBKeyRange.only(); threw exception TypeError: Failed to execute 'only' on 'IDBKeyRange': 1 argument required, but only 0 present.. PASS IDBKeyRange.lowerBound(); threw exception TypeError: Failed to execute 'lowerBound' on 'IDBKeyRange': 1 argument required, but only 0 present.. PASS IDBKeyRange.upperBound(); threw exception TypeError: Failed to execute 'upperBound' on 'IDBKeyRange': 1 argument required, but only 0 present.. PASS IDBKeyRange.bound(1); threw exception TypeError: Failed to execute 'bound' on 'IDBKeyRange': 2 arguments required, but only 1 present.. PASS IDBKeyRange.bound(); threw exception TypeError: Failed to execute 'bound' on 'IDBKeyRange': 2 arguments required, but only 0 present.. PASS successfullyParsed is true TEST COMPLETE