Web/API/Notification/tag

Note: This feature is available in Web Workers.

Secure contextThis feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

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 APIThe definition of 'tag' in that specification.	Living Standard	Living standard

Browser compatibility

Update compatibility data on GitHub

	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
`tag`	Chrome Full support Yes	Edge Full support 14	Firefox Full support Yes	IE No support No	Opera Full support Yes	Safari Full support Yes	WebView Android No support No	Chrome Android Full support Yes	Firefox Android Full support Yes	Opera Android Full support Yes	Safari iOS No support No	Samsung Internet Android Full support Yes

Legend

Full support: Full support
No support: No support