Limited availability
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 USBInterface interface of the WebUSB API provides information about an interface provided by the USB device. An interface represents a feature of the device which implements a particular protocol and may contain endpoints for bidirectional communication.
USBInterface() Experimental
Creates a new USBInterface object which will be populated with information about the interface on the provided USBConfiguration with the given interface number.
USBInterface.interfaceNumber Read only Experimental
Returns the interface number of this interface. This is equal to the bInterfaceNumber field of the interface descriptor defining this interface.
USBInterface.alternate Read only Experimental
Returns the currently selected alternative configuration of this interface. By default this is the USBAlternateInterface from alternates with alternateSetting equal to 0. It can be changed by calling USBDevice.selectAlternateInterface() with any other value found in alternates.
USBInterface.alternates Read only Experimental
Returns an array containing instances of the USBAlternateInterface interface describing each of the alternative configurations possible for this interface.
USBInterface.claimed Read only Experimental
Returns whether or not this interface has been claimed by the current page by calling USBDevice.claimInterface().
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