BluetoothRemoteGATTDescriptor

Limited availabilitySecure context

The BluetoothRemoteGATTDescriptor interface of the Web Bluetooth API provides a GATT Descriptor, which provides further information about a characteristic’s value.

Instance properties

• characteristic Read only Experimental
  • : Returns the BluetoothRemoteGATTCharacteristic this descriptor belongs to.
• uuid Read only Experimental
  • : Returns the UUID of the characteristic descriptor, for example "00002902-0000-1000-8000-00805f9b34fb" for the Client Characteristic Configuration descriptor.
• value Read only Experimental
  • : Returns the currently cached descriptor value. This value gets updated when the value of the descriptor is read.

Instance methods

• readValue() Experimental
  • : Returns a Promise that resolves to an ArrayBuffer holding a duplicate of the value property if it is available and supported. Otherwise it throws an error.
• writeValue() Experimental
  • : Sets the value property to the bytes contained in an ArrayBuffer and returns a Promise.

Specifications

Browser compatibility