USBDevice.deviceProtocol - Web APIs 编辑
Experimental
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.
Syntax
var number = USBDevice.deviceProtocol
Value
A number.
Specifications
| Specification | Status | Comment |
|---|---|---|
| WebUSB The definition of 'deviceProtocol' in that specification. | Draft | Initial definition. |
Browser compatibility
BCD tables only load in the browser
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