StorageEvent: oldValue property

The oldValue property of the StorageEvent interface returns the original value of the storage item whose value changed.

Value

A string containing the original value of the storage item.

Specifications

Specification
HTML Standard
# dom-storageevent-oldvalue-dev

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
Deno
oldValue

See also