BluetoothRemoteGATTDescriptor
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The BluetoothRemoteGATTDescriptor interface of the Web Bluetooth API provides a GATT Descriptor,
which provides further information about a characteristic's value.
Note: This page describes the W3C Community Group Web Bluetooth API. For the Firefox OS
Bluetooth API, see BluetoothGattDescriptor
(Firefox OS).
Properties
BluetoothRemoteGATTDescriptor.characteristicRead only-
Returns the
BluetoothRemoteGATTCharacteristicthis descriptor belongs to. BluetoothRemoteGATTDescriptor.uuidRead only-
Returns the UUID of the characteristic descriptor, for example '
00002902-0000-1000-8000-00805f9b34fb' for theClient Characteristic Configuration descriptor. BluetoothRemoteGATTDescriptor.valueRead only-
Returns the currently cached descriptor value. This value gets updated when the value of the descriptor is read.
Methods
BluetoothRemoteGATTDescriptor.readValue()-
Returns a
Promisethat resolves to anArrayBufferholding a duplicate of thevalueproperty if it is available and supported. Otherwise it throws an error. BluetoothRemoteGATTDescriptor.writeValue()-
Sets the value property to the bytes contained in an
ArrayBufferand returns aPromise.
Specifications
| Specification |
|---|
| Web Bluetooth # bluetoothgattdescriptor-interface |
Browser compatibility
BCD tables only load in the browser