USBDevice.close()

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

The close() method of the USBDevice interface returns a promise that resolves when all open interfaces are released and the device session has ended.

Syntax

var promise = USBDevice.open()

Parameters

None.

Return value

A promise.

Specifications

Specification Status Comment
WebUSB
The definition of 'close()' 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,