USBDevice.transferOut()

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

The transferOut() method of the USBDevice interface returns a promise that resolves with a USBTransferOutResult when bulk or interrupt data is transmitted from the USB device.

Syntax

var promise = USBDevice.transferOut(endpointNumber, data)

Parameters

endpointNumber
The number of a device-specific endpoint (buffer).
data
A variable to hold the data returned by the transfer.

Return value

A promise that resolves with a USBTransferOutResult.

Specifications

Specification Status Comment
WebUSB
The definition of 'transferOut()' in that specification.
Draft Initial definition.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support61 No No No48 No
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support No61 No No48 No No

Document Tags and Contributors

Contributors to this page: jpmedley
Last updated by: jpmedley,