BluetoothRemoteGATTServer: getPrimaryService() method
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
  The BluetoothRemoteGATTServer.getPrimaryService() method
  returns a promise to the primary BluetoothRemoteGATTService offered by the
  Bluetooth device for a specified bluetooth service UUID.
Syntax
js
getPrimaryService(bluetoothServiceUUID)
Parameters
bluetoothServiceUUID- 
    
A Bluetooth service universally unique identifier for a specified device, that is either a 128-bit UUID, a 16-bit or 32-bit UUID alias, or a string from the list of GATT assigned services keys.
 
Return value
A Promise that resolves to a BluetoothRemoteGATTService object.
Specifications
| Specification | 
|---|
| Web Bluetooth  # dom-bluetoothremotegattserver-getprimaryservice  | 
Browser compatibility
BCD tables only load in the browser