SharedStorage

{{APIRef("Shared Storage API")}}{{deprecated_header}}

The SharedStorage interface of the {{domxref("Shared Storage API", "Shared Storage API", "", "nocode")}} represents the shared storage for a particular origin, defining methods to write data to the shared storage.

SharedStorage is the base class for:

• {{domxref("WindowSharedStorage")}}, accessed via {{domxref("Window.sharedStorage")}}.
• {{domxref("WorkletSharedStorage")}}, accessed via {{domxref("SharedStorageWorkletGlobalScope.sharedStorage")}}.

{{InheritanceDiagram}}

Instance methods

• {{domxref("SharedStorage.append", "append()")}} {{deprecated_inline}}
  • : Appends a string to the value of an existing key-value pair in the current origin's shared storage.
• {{domxref("SharedStorage.clear", "clear()")}} {{deprecated_inline}}
  • : Clears the current origin's shared storage, removing all data from it.
• {{domxref("SharedStorage.delete", "delete()")}} {{deprecated_inline}}
  • : Deletes an existing key-value pair from the current origin's shared storage.
• {{domxref("SharedStorage.set", "set()")}} {{deprecated_inline}}
  • : Stores a new key-value pair in the current origin's shared storage or updates an existing one.

Examples

window.sharedStorage
  .set("ab-testing-group", "0")
  .then(() => console.log("Value saved to shared storage"));

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

• {{domxref("WindowSharedStorage")}}
• Shared Storage API