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web api instance property

USBDevice: usbVersionMajor property

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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.

Value

The last of three properties that declare the USB protocol version supported by the device.

Specifications

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.