Add-ons

storage.StorageArea

StorageArea is an object representing a storage area.

Type

Values of this type are objects.

Methods

storage.StorageArea.get()
Retrieves one or more items from the storage area.
storage.StorageArea.getBytesInUse()
Gets the amount of storage space (in bytes) used one or more items being stored in the storage area.
storage.StorageArea.set()
Stores one or more items in the storage area. If an item already exists, its value will be updated.
storage.StorageArea.remove()
Removes one or more items from the storage area.
storage.StorageArea.clear()
Removes all items from the storage area.

Browser compatibility

ChromeEdgeFirefoxFirefox for AndroidOpera
Basic support Yes Yes4548 Yes
clear Yes Yes454833
get Yes Yes454833
getBytesInUse Yes Yes No No33
remove Yes Yes454833
set Yes Yes1454833

1. storage is limited to 1MB per value.

Acknowledgements

This API is based on Chromium's chrome.storage API. This documentation is derived from storage.json in the Chromium code.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.

Document Tags and Contributors

 Contributors to this page: chrisdavidmills, wbamberg
 Last updated by: chrisdavidmills,