Experimental: This is an experimental technology
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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.
The last of three properties that declare the USB protocol version supported by the device.
| Specification |
|---|
| WebUSB API # ref-for-dom-usbdevice-usbversionmajor |
| 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