USBInTransferResult
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.
TheUSBInTransferResult interface of theWebUSB API provides the result from a call to thetransferIn() andcontrolTransferIn() methods of theUSBDevice interface. It represents the result from requesting a transfer of data from the USB device to the USB host.
Constructor
USBInTransferResult()ExperimentalCreates a new
USBInTransferResultobject with the providedstatusanddatafields.
Instance properties
USBInTransferResult.dataRead onlyExperimentalReturns a
DataViewobject containing the data received from the USB device, if any.USBInTransferResult.statusRead onlyExperimentalReturns the status of the transfer request, one of:
"ok"- The transfer was successful."stall"- The device indicated an error by generating a stall condition on the endpoint. A stall on the control endpoint does not need to be cleared. A stall on a bulk or interrupt endpoint must be cleared by callingclearHalt()beforetransferIn()can be called again."babble"- The device responded with more data than was expected.
Specifications
| Specification |
|---|
| WebUSB API # usbintransferresult |