StorageEvent: oldValue property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
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
BCD tables only load in the browser