StorageArea.getBytesInUse()
Gets the amount of storage space, in bytes, used one or more items being stored in the storage area.
This function only exists in browser.storage.sync
It does not exist in browser.storage.local
See https://bugzilla.mozilla.org/show_bug.cgi?id=1385832
This is an asynchronous function that returns a Promise
.
Syntax
var gettingSpace = browser.storage.<storageType>.getBytesInUse(
keys // null, string, or array of strings
)
<storageType>
can only be storage.sync
, not storage.local
because of this bug.
Parameters
Return value
A Promise
that will be fulfilled with an integer, bytesUsed
, representing the storage space used by the objects that were specified in keys
. If the operation failed, the promise will be rejected with an error message.
Browser compatibility
Report problems with this compatibility data on GitHubwebextensions-desktop | webextensions-mobile | |||||
---|---|---|---|---|---|---|
getBytesInUse | ChromeFull supportYes | EdgeFull support14 | FirefoxFull support78
| OperaFull support33 | SafariFull support14 | Firefox for AndroidNo supportNo |
Legend
- Full support
- Full support
- No support
- No support
- See implementation notes.
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.