This feature is not Baseline because it does not work in some of the most widely-used browsers.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Note: This feature is available in Web Workers.
The badge read-only property of the Notification interface returns a string containing the URL of an image to represent the notification when there is not enough space to display the notification itself such as for example, the Android Notification Bar. On Android devices, the badge should accommodate devices up to 4x resolution, about 96 by 96 px, and the image will be automatically masked.
A string containing a URL.
| Specification |
|---|
| Notifications API> # dom-notification-badge> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
badge |
53 | 18 | No | 39 | No | 53 | No | 41 | No | 6.0 | No | No |
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https://developer.mozilla.org/en-US/docs/Web/API/Notification/badge