SharedStorageWorkletGlobalScope: sharedStorage property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The context read-only property of the SharedStorageWorkletGlobalScope interface contains a WorkletSharedStorage object instance, which represents the shared storage for a particular origin as exposed to a worklet context.

Value

A WorkletSharedStorage object instance.

Examples

js
// ab-testing-worklet.js
class SelectURLOperation {
  async run(urls, data) {
    // Read the user's experiment group from shared storage
    const experimentGroup = await this.sharedStorage.get("ab-testing-group");

    // Return the group number
    return experimentGroup;
  }
}

register("ab-testing", SelectURLOperation);

Specifications

Specification
Shared Storage API
# dom-sharedstorageworkletglobalscope-sharedstorage

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
sharedStorage
Experimental

Legend

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Full support
Full support
No support
No support
Experimental. Expect behavior to change in the future.

See also