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
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
deviceSubclass |
61 |
79 |
No |
No |
48 |
No |
No |
61 |
No |
45 |
No |
8.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/USBDevice/deviceSubclass