USBInterface
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental:This is anexperimental technology
Check theBrowser compatibility table carefully before using this in production.
Secure context: This feature is available only insecure contexts (HTTPS), in some or allsupporting browsers.
Note: This feature is available inWeb Workers.
TheUSBInterface interface of theWebUSB 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()ExperimentalCreates a new
USBInterfaceobject which will be populated with information about the interface on the providedUSBConfigurationwith the given interface number.
Instance properties
USBInterface.interfaceNumberRead onlyExperimentalReturns the interface number of this interface. This is equal to the
bInterfaceNumberfield of the interface descriptor defining this interface.USBInterface.alternateRead onlyExperimentalReturns the currently selected alternative configuration of this interface. By default this is the
USBAlternateInterfacefromalternateswithalternateSettingequal to0. It can be changed by callingUSBDevice.selectAlternateInterface()with any other value found inalternates.USBInterface.alternatesRead onlyExperimentalReturns an array containing instances of the
USBAlternateInterfaceinterface describing each of the alternative configurations possible for this interface.USBInterface.claimedRead onlyExperimentalReturns whether or not this interface has been claimed by the current page by calling
USBDevice.claimInterface().
Specifications
| Specification |
|---|
| WebUSB API # usbinterface |
Browser compatibility
Loading…