This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The deviceProtocol read only property of the USBDevice interface one of three properties that identify USB devices for the purpose of loading a USB driver that will work with that device. The other two properties are USBDevice.deviceClass and USBDevice.deviceSubclass.
var number = USBDevice.deviceProtocol
A number.
| Specification | Status | Comment |
|---|---|---|
| WebUSB The definition of 'deviceProtocol' 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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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/USBDevice/deviceProtocol