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  1. Mozilla
  2. Add-ons
  3. Browser extensions
  4. JavaScript APIs
  5. storage
  6. storage.StorageChange

storage.StorageChange

StorageChange is an object representing a change to a storage area.

Type

StorageChange objects contain the following properties:

oldValueOptional

The old value of the item, if there was an old value. This can be any data type.

newValueOptional

The new value of the item, if there is a new value. This can be any data type.

Browser compatibility

Note:This API is based on Chromium'schrome.storage API. This documentation is derived fromstorage.json in the Chromium code.

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