Interface IDBObjectStore

createIndex

• createIndex(name: string, keyPath: string | Iterable<string>, options?: IDBIndexParameters): IDBIndex

• Creates a new index in store with the given name, keyPath and options and returns a new IDBIndex. If the keyPath and options define constraints that cannot be satisfied with the data already in store the upgrade transaction will abort with a "ConstraintError" DOMException.

  Throws an "InvalidStateError" DOMException if not called within an upgrade transaction.

  Parameters

  • name: string

  • keyPath: string | Iterable<string>

  • Optional options: IDBIndexParameters

  Returns IDBIndex