BluetoothUUID

The BluetoothUUID interface of the Web Bluetooth API provides a way to look up Universally Unique Identifier (UUID) values by name in the registry maintained by the Bluetooth SIG.

Description

A UUID string is a 128-bit UUID, for example 00001818-0000-1000-8000-00805f9b34fb. 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.

The BluetoothUUID interface provides methods to retrieve these 128-bit UUIDs.

Properties

None.

Event handlers

None.

Methods

BluetoothUUID.canonicalUUID()

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

BluetoothUUID.getCharacteristic()

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

BluetoothUUID.getDescriptor()

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

BluetoothUUID.getService()

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 named device_information is returned and printed to the console.

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

Specifications

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