Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

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

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The USBIsochronousOutTransferPacket interface of the WebUSB API is part of the response from a call to the isochronousTransferOut() method of the USBDevice interface. It represents the status of an individual packet from a request to transfer data from the USB host to the USB device over an isochronous endpoint.


USBIsochronousOutTransferPacket() Experimental

Creates a new USBIsochronousOutTransferPacket object with the provided status and bytesWritten fields.

Instance properties

USBIsochronousOutTransferPacket.bytesWritten Read only Experimental

Returns the number of bytes from the packet that were sent to the device.

USBIsochronousOutTransferPacket.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 an isochronous endpoint does not need to be cleared.


# usbisochronousouttransferpacket

Browser compatibility

BCD tables only load in the browser