USBOutTransferResult

{{APIRef("WebUSB API")}}{{SeeCompatTable}}{{SecureContext_Header}}{{AvailableInWorkers}}

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

• {{domxref("USBOutTransferResult.USBOutTransferResult", "USBOutTransferResult()")}} {{Experimental_Inline}}
  • : Creates a new USBOutTransferResult object with the provided status and bytesWritten fields.

Instance properties

• {{domxref("USBOutTransferResult.bytesWritten")}} {{ReadOnlyInline}} {{Experimental_Inline}}
  • : Returns the number of bytes from the transfer request that were sent to the device.
• {{domxref("USBOutTransferResult.status")}} {{ReadOnlyInline}} {{Experimental_Inline}}
  • : 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

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Browser compatibility

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