USBInterface
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
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.
Constructor
USBInterface()
Experimental-
Creates a new
USBInterface
object which will be populated with information about the interface on the providedUSBConfiguration
with the given interface number.
Instance properties
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
fromalternates
withalternateSetting
equal to0
. It can be changed by callingUSBDevice.selectAlternateInterface()
with any other value found inalternates
. 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()
.
Specifications
Specification |
---|
WebUSB API # usbinterface |
Browser compatibility
BCD tables only load in the browser