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
USBOutTransferResult
object with the providedstatus
andbytesWritten
fields.
Instance properties
USBOutTransferResult.bytesWritten
Read only Experimental-
Returns the number of bytes from the transfer request that were sent to the device.
USBOutTransferResult.status
Read 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
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
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USBOutTransferResult | ||||||||||||
USBOutTransferResult() constructor | ||||||||||||
bytesWritten | ||||||||||||
status | ||||||||||||
Available in workers |
Legend
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- Full support
- Full support
- Partial support
- Partial support
- No support
- No support
- Experimental. Expect behavior to change in the future.
- See implementation notes.
- Has more compatibility info.