USBOutTransferResult

Draft
This page is not complete.

Secure context
This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

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.USBOutTransferResult()
Creates a new USBOutTransferResult object with the provided status and bytesWritten fields.

Properties

USBOutTransferResult.bytesWrittenRead only
Returns the number of bytes from the transfer request that were sent to the device.
USBOutTransferResult.statusRead only
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 calling clearHalt() before transferOut() can be called again.

Specifications

Specification Status Comment
WebUSB
The definition of 'USBOutTransferResult' in that specification.
Draft Initial definition.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
USBOutTransferResult
Experimental
Chrome Full support 61Edge Full support 79Firefox No support NoIE No support NoOpera Full support 48Safari No support NoWebView Android No support NoChrome Android Full support 61Firefox Android No support NoOpera Android Full support 45Safari iOS No support NoSamsung Internet Android Full support 8.0
USBOutTransferResult() constructor
Experimental
Chrome Full support 61Edge Full support 79Firefox No support NoIE No support NoOpera Full support 48Safari No support NoWebView Android No support NoChrome Android Full support 61Firefox Android No support NoOpera Android Full support 45Safari iOS No support NoSamsung Internet Android Full support 8.0
bytesWritten
Experimental
Chrome Full support 61Edge Full support 79Firefox No support NoIE No support NoOpera Full support 48Safari No support NoWebView Android No support NoChrome Android Full support 61Firefox Android No support NoOpera Android Full support 45Safari iOS No support NoSamsung Internet Android Full support 8.0
status
Experimental
Chrome Full support 61Edge Full support 79Firefox No support NoIE No support NoOpera Full support 48Safari No support NoWebView Android No support NoChrome Android Full support 61Firefox Android No support NoOpera Android Full support 45Safari iOS No support NoSamsung Internet Android Full support 8.0

Legend

Full support  
Full support
No support  
No support
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.