Represents the sync storage area. Items in sync storage are synced by the browser, and are available across all instances of that browser that the user is logged into (e.g. via Firefox sync, or a Google account), across different devices.
Methods
The sync object implements the methods defined on the storage.StorageArea type:
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 the 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
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Chrome | Edge | Firefox | Firefox for Android | Opera | |
|---|---|---|---|---|---|
| Basic Support | Yes | No | No | No | No |
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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