getCharacteristic()

Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

The BluetoothGATTService.getCharacteristic() method returns a Promise to an instance of BluetoothGATTCharacteristic for a given universally unique identifier (UUID). 

Syntax

JavaScript
bluetoothGATTServiceInstance.getCharacteristic(characteristic).then(function(BluetoothGATTCharacteristic) { ... } )

Returns

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

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 45.0 [1] ? ? ? ?
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support Not supported Not supported ? ? ? ? ? Not supported

[1] Behind a flag.  Chrome OS only.

License

© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/bluetoothgattservice/getcharacteristic

API Bluetooth BluetoothGattService getCharacteristic() Non-standard Property Reference Web Bluetooth API