The indexedDB property of the IDBEnvironment interface provides a mechanism for applications to asynchronously access the capabilities of indexed databases.

API Database IDBEnvironment IndexedDB Property Reference Référence Storage

The IDBEnvironment interface of the IndexedDB API contains the indexedDB property, which provides access to IndexedDB functionality. It is the top level IndexedDB interface implemented by the window and Worker objects.

access API asynchronous client-side Database DOM IDBEnvironment IndexedDB Interface Reference Référence Storage