USBDevice: transferOut() method
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
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 transferOut()
method of the USBDevice
interface returns a promise
that resolves with a
USBOutTransferResult
when bulk or interrupt data is sent to the USB
device.
Syntax
js
transferOut(endpointNumber, data)
Parameters
endpointNumber
-
The number of a device-specific endpoint (buffer).
data
-
A
TypedArray
containing the data to send to the device.
Return value
A promise
that resolves with a USBOutTransferResult
.
Specifications
Specification |
---|
WebUSB API # ref-for-dom-usbdevice-transferout |
Browser compatibility
BCD tables only load in the browser