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The tag read-only property of the Notification interface signifies an identifying tag for the notification, as specified in the tag option of the Notification() constructor.

The idea of notification tags is that more than one notification can share the same tag, linking them together. One notification can then be programmatically replaced with another to avoid the users' screen being filled up with a huge number of similar notifications.

Syntax

var tag = Notification.tag;

Value

A DOMString.

Examples

Our Using the Notifications API article has a good example of tag usage.

Specifications

Specification Status Comment
Notifications API
The definition of 'tag' in that specification.
Living Standard Living standard

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
tagChrome Full support YesEdge Full support 14Firefox Full support YesIE No support NoOpera Full support YesSafari Full support YesWebView Android No support NoChrome Android Full support YesEdge Mobile ? Firefox Android Full support YesOpera Android Full support YesSafari iOS No support NoSamsung Internet Android Full support Yes

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown

See also

Étiquettes et contributeurs liés au document

Dernière mise à jour par : chrisdavidmills,