USBDevice.usbVersionMajor
Experimental: 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.
Syntax
var serialNumber = USBDevice.usbVersionMajor
Value
The last of three properties that declare the USB protocol version supported by the device.
Specifications
| Specification |
|---|
| WebUSB API # ref-for-dom-usbdevice-usbversionmajor |
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 | |
usbVersionMajor |
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/usbVersionMajor