SharedStorage: delete() method

Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

The delete() method of the SharedStorage interface deletes an existing key-value pair from the current origin's shared storage.

Syntax

delete(key)

Parameters

key: A string representing the key of the key-value pair you want to delete.

Return value

A Promise that fulfills with undefined.

Exceptions

The Promise rejects with a TypeError if:
- The database was not cleared successfully due to shared storage not being available (for example it is disabled using a browser setting).
- key exceeds the browser-defined maximum length.
- The calling site does not have the Shared Storage API included in a successful privacy sandbox enrollment process.
In the case of WorkletSharedStorage, the Promise rejects with a TypeError if:
- The worklet module has not been added with SharedStorageWorklet.addModule().

Note: If the key-value pair doesn't exist in the shared storage, no error is thrown — the operation still fulfills with undefined.

Note: In the case of WindowSharedStorage, if the delete() operation doesn't successfully write to the database for a reason other than shared storage not being available, no error is thrown — the operation still fulfills with undefined.

Examples

window.sharedStorage
  .delete("ab-testing-group")
  .then(() => console.log("Value deleted"));

Specifications

Specification
Shared Storage API # dom-sharedstorage-delete

Browser compatibility

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`delete` Deprecated	Chrome – Full support Chrome 126 (Release date: 2024-06-11) footnote Full support	Edge – Full support Edge 126 (Release date: 2024-06-13) footnote Full support	Firefox – No support Firefox footnote No support	Opera – Full support Opera 112 (Release date: 2024-07-11) footnote Full support	Safari – No support Safari footnote No support	Chrome Android – Full support Chrome Android 126 (Release date: 2024-06-11) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – Full support Opera Android 83 (Release date: 2024-06-25) footnote Full support	Safari on iOS – No support Safari on iOS footnote No support	Samsung Internet – Full support Samsung Internet 28 (Release date: 2025-04-02) footnote Full support	WebView Android – Full support WebView Android 126 (Release date: 2024-06-11) footnote Full support	WebView on iOS – No support WebView on iOS footnote No support

Tip: you can click/tap on a cell for more information.

Full support: Full support
No support: No support
: Deprecated. Not for use in new websites.

SharedStorage: delete() method

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