USBDevice.deviceVersionMajor - Web APIs 编辑
Experimental
This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The deviceVersionMajor read only property of the USBDevice interface he major version number of the device in a semantic versioning scheme.
Syntax
var serialNumber = USBDevice.deviceVersionMajor
Value
A number.
Specifications
| Specification | Status | Comment |
|---|---|---|
| WebUSB The definition of 'deviceVersionMajor' in that specification. | Draft | Initial definition. |
Browser compatibility
BCD tables only load in the browser
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