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
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
StorageArea |
Yes |
14 |
45 |
? |
Yes |
14 |
? |
? |
48 |
? |
? |
? |
clear |
Yes |
14 |
45 |
? |
33 |
14 |
? |
? |
48 |
? |
? |
? |
get |
Yes |
14 |
45 |
? |
33 |
14 |
? |
? |
48 |
? |
? |
? |
getBytesInUse |
Yes |
14 |
78
Only supported by the
sync storage area. |
? |
33 |
14 |
? |
? |
No |
? |
? |
? |
remove |
Yes |
14 |
45 |
? |
33 |
14 |
? |
? |
48 |
? |
? |
? |
set |
Yes |
14
storage is limited to 1MB per value.
|
45 |
? |
33 |
14 |
? |
? |
48 |
? |
? |
? |
Note: 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.
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/storage/StorageArea