USBDevice: deviceSubclass property

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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.

Value

A number.

Specifications

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

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