USBDevice.usbVersionSubminor

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

The usbVersionSubminor read only property of the USBDevice interface is one of three properties that declare the USB protocol version supported by the device. The other two properties are USBDevice.usbVersionMajor and USBDevice.usbVersionMinor.

Syntax

var serialNumber = USBDevice.usbVersionSubminor

Value

The first of three properties that declare the USB protocol version supported by the device.

Specifications

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

Browser compatibility

DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
usbVersionSubminor
Experimental
Chrome Full support 61Edge Full support 79Firefox No support NoIE No support NoOpera Full support 48Safari No support NoWebView Android No support NoChrome Android Full support 61Firefox Android No support NoOpera Android Full support 45Safari iOS No support NoSamsung Internet Android Full support 8.0

Legend

Full support
Full support
No support
No support
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.