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 | Status | Comment |
|---|---|---|
| WebUSB The definition of 'usbVersionMajor' in that specification. |
Draft | Initial definition. |
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Basic support | Chrome Full support 61 | Edge No support No | Firefox No support No | IE No support No | Opera Full support 48 | Safari No support No | WebView Android No support No | Chrome Android Full support 61 | Edge Mobile No support No | Firefox Android No support No | Opera Android Full support 48 | Safari iOS No support No | Samsung Internet Android No support No |
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.