Client.id

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

Syntax

var clientId = client.id;

TBD

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

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`id` Experimental	Chrome Full support 40	Edge Full support ≤79	Firefox Full support 44 Notes Full support 44 Notes Notes Extended Support Releases (ESR) before Firefox 78 ESR do not support service workers and the Push API.	IE No support No	Opera Full support 27	Safari No support No	WebView Android Full support 40	Chrome Android Full support 40	Firefox Android Full support 44	Opera Android Full support 27	Safari iOS No support No	Samsung Internet Android Full support 4.0

Full support: Full support
No support: No support
Experimental. Expect behavior to change in the future.: Experimental. Expect behavior to change in the future.
See implementation notes.: See implementation notes.