TheBluetoothUUID interface of theWeb Bluetooth API provides a way to look up Universally Unique Identifier (UUID) values by name in theregistry maintained by the Bluetooth SIG.

Description

A UUID string is a 128-bit UUID, for example00001818-0000-1000-8000-00805f9b34fb.The Bluetooth registry contains lists of descriptors, services, and characteristics identified by these UUIDs in addition to a 16- or 32- bit alias, and a name.

TheBluetoothUUID interface provides methods to retrieve these 128-bit UUIDs.

Static methods

BluetoothUUID.canonicalUUID()Experimental

Returns the 128-bit UUID when passed the 16- or 32-bit UUID alias.

BluetoothUUID.getCharacteristic()Experimental

Returns the 128-bit UUID representing a registered characteristic when passed a name or the 16- or 32-bit UUID alias.

BluetoothUUID.getDescriptor()Experimental

Returns a UUID representing a registered descriptor when passed a name or the 16- or 32-bit UUID alias.

BluetoothUUID.getService()Experimental

Returns a UUID representing a registered service when passed a name or the 16- or 32-bit UUID alias.

Examples

In the following example the UUID representing the service nameddevice_information is returned and printed to the console.

let result = BluetoothUUID.getService("device_information");console.log(result); // "0000180a-0000-1000-8000-00805f9b34fb"

Specifications

Browser compatibility