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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.
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.
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.
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"
| Specification |
|---|
| Web Bluetooth # bluetoothuuid |
This page was last modified on Jul 25, 2024 by MDN contributors.
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