USBDevice: deviceVersionMajor property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

Note: This feature is available in Web Workers.

The deviceVersionMajor read only property of the USBDevice interface he major version number of the device in a semantic versioning scheme.

A number.

Specification
WebUSB API # ref-for-dom-usbdevice-deviceversionmajor

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