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.
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | 61 | No | No | No | 48 | No |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
|---|---|---|---|---|---|---|---|
| Basic support | No | 61 | No | No | 48 | No | No |