Web/API/USBOutTransferResult

Draft This page is not complete.

Secure contextThis 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
WebUSBThe definition of 'USBOutTransferResult' in that specification.	Draft	Initial definition.

Browser compatibility

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
USBOutTransferResult Experimental'	Chrome Full support 61	Edge Full support 79	Firefox No support No	IE No support No	Opera Full support 48	Safari No support No	WebView Android No support No	Chrome Android Full support 61	Firefox Android No support No	Opera Android Full support 45	Safari iOS No support No	Samsung Internet Android Full support 8.0
USBOutTransferResult() constructor Experimental'	Chrome Full support 61	Edge Full support 79	Firefox No support No	IE No support No	Opera Full support 48	Safari No support No	WebView Android No support No	Chrome Android Full support 61	Firefox Android No support No	Opera Android Full support 45	Safari iOS No support No	Samsung Internet Android Full support 8.0
bytesWritten Experimental'	Chrome Full support 61	Edge Full support 79	Firefox No support No	IE No support No	Opera Full support 48	Safari No support No	WebView Android No support No	Chrome Android Full support 61	Firefox Android No support No	Opera Android Full support 45	Safari iOS No support No	Samsung Internet Android Full support 8.0
status Experimental'	Chrome Full support 61	Edge Full support 79	Firefox No support No	IE No support No	Opera Full support 48	Safari No support No	WebView Android No support No	Chrome Android Full support 61	Firefox Android No support No	Opera Android Full support 45	Safari iOS No support No	Samsung 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.

USBOutTransferResult by Mozilla Contributors is licensed under CC-BY-SA 2.5.