USBDevice.deviceSubclass

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The deviceSubclass read only property of the USBDevice interface one of three properties that identify USB devices for the purpose of loading a USB driver that will work with that device. The other two properties are USBDevice.deviceClass and USBDevice.deviceProtocol.

Syntax

var serialNumber = USBDevice.deviceSubclass

Value

A number.

Specifications

Specification
WebUSB API
# ref-for-dom-usbdevice-devicesubclass

Browser compatibility

BCD tables only load in the browser