USBDevice.deviceSubclass

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 Status Comment
WebUSB
The definition of 'deviceSubclass' in that specification.
Draft Initial definition.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support61 No No No48 No
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support No61 No No48 No No

Document Tags and Contributors

Contributors to this page: jpmedley
Last updated by: jpmedley,