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Client.id

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

The id read-only property of the Client interface returns the universally unique identifier of the Client object.

Syntax

var clientId = Client.id;

Example

TBD

Specifications

Specification Status Comment
Service Workers
The definition of 'id' in that specification.		 Working Draft Initial definition.

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 40 ? 44
44
Service workers (and Push) have been disabled in the Firefox 45 & 52 Extended Support Releases (ESR).
 No 27 No
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support 40 40 ? 44 27 No 4.0

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https://developer.mozilla.org/en-US/docs/Web/API/Client/id