This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
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 compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 45.0[1] | 44.0 (44.0)[2] | No support | ? | No support |
| Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|---|
| Basic support | No support | No support | 44.0 (44.0) | ? | No support | ? | No support | 45.0 [1] |
- [1] Behind a flag in Chrome 40 through 44.
- [2] Service workers (and Push) have been disabled in the Firefox 45 & 52 Extended Support Releases (ESR.)