1. Web
  2. Web APIs
  3. BluetoothRemoteGATTCharacteristic
  4. startNotifications()

BluetoothRemoteGATTCharacteristic: startNotifications() method

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

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

The BluetoothRemoteGATTCharacteristic.startNotifications() method returns a Promise to the BluetoothRemoteGATTCharacteristic instance when there is an active notification on it.

Syntax

js
startNotifications()

Parameters

None.

Return value

A Promise to the BluetoothRemoteGATTCharacteristic instance.

Specifications

Specification
Web Bluetooth
# dom-bluetoothremotegattcharacteristic-startnotifications

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
startNotifications
Experimental
Chrome – Full support
Chrome 56 (Release date: 2017-01-25)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – No support
Firefox
footnote
footnote See bug 674737
Opera – Full support
Opera 43 (Release date: 2017-02-07)
footnote Full support
Safari – No support
Safari
footnote
footnote See bug 101034
Chrome Android – Full support
Chrome Android 56 (Release date: 2017-02-01)
footnote Full support
Firefox for Android – No support
Firefox for Android
footnote
footnote See bug 674737
Opera Android – Full support
Opera Android 43 (Release date: 2017-09-27)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote
footnote See bug 101034
Samsung Internet – Full support
Samsung Internet 6 (Release date: 2017-08-23)
footnote Full support
WebView Android – No support
WebView Android
footnote No support
WebView on iOS – No support
WebView on iOS
footnote
footnote See bug 101034

Tip: you can click/tap on a cell for more information.

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

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