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 isochronousTransferOut() method of the USBDevice interface returns a Promise that resolves with a USBIsochronousOutTransferResult when time sensitive information has been transmitted from the USB device.
isochronousTransferOut(endpointNumber, data, packetLengths)endpointNumberThe number of a device-specific endpoint (buffer).
dataA TypedArray containing the data to send to the device.
packetLengthsAn array of lengths for the packets being transferred.
A Promise that resolves with a USBIsochronousOutTransferResult.