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USBOutTransferResult - Web APIs | MDN
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USBOutTransferResult
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
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 USBOutTransferResult interface of the WebUSB API provides the result from a call to the transferOut() and controlTransferOut() methods of the USBDevice interface. It represents the result from requesting a transfer of data from the USB host to the USB device.
Constructor
USBOutTransferResult()Experimental-
Creates a new
USBOutTransferResultobject with the providedstatusandbytesWrittenfields.
Instance properties
USBOutTransferResult.bytesWrittenRead only Experimental-
Returns the number of bytes from the transfer request that were sent to the device.
USBOutTransferResult.statusRead only Experimental-
Returns 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 a bulk or interrupt endpoint must be cleared by callingclearHalt()beforetransferOut()can be called again.
Specifications
| Specification |
|---|
| WebUSB API # usbouttransferresult |
Browser compatibility
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