This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The usbVersionMajor 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.usbVersionMinor and USBDevice.usbVersionSubminor.
var serialNumber = USBDevice.usbVersionMajor
The last of three properties that declare the USB protocol version supported by the device.
| Specification | Status | Comment |
|---|---|---|
| WebUSB The definition of 'usbVersionMajor' in that specification. | Draft | Initial definition. |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 61 | No | No | No | 48 | No |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | No | 61 | No | No | 48 | No | No |
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https://developer.mozilla.org/en-US/docs/Web/API/USBDevice/usbVersionMajor