This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The BluetoothGATTService.getCharacteristic()
method returns a Promise
to an instance of BluetoothGATTCharacteristic
for a given universally unique identifier (UUID).
Syntax
bluetoothGATTServiceInstance.getCharacteristic(characteristic).then(function(BluetoothGATTCharacteristic) { ... } )
Returns
A Promise
to an instance of BluetoothGATTCharacteristic
Parameters
- characteristic
- The UUID of a characteristic, for example
'00002a37-0000-1000-8000-00805f9b34fb'
for the Heart Rate Measurement characteristic.
Specifications
Specification | Status | Comment |
---|---|---|
Web Bluetooth The definition of 'getCharacteristic()' in that specification. |
Draft | Initial definition. |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
getCharacteristic | Chrome
Full support
56
| Edge
Full support
≤79
| Firefox No support No | IE No support No | Opera
Full support
43
| Safari No support No | WebView Android No support No | Chrome Android Full support 56 | Firefox Android No support No | Opera Android Full support 43 | Safari iOS No support No | Samsung Internet Android Full support 6.0 |
Legend
- Full support
- Full support
- No support
- No support
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.
- See implementation notes.
- See implementation notes.
- User must explicitly enable this feature.
- User must explicitly enable this feature.