USBDevice.close()

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  1. Syntax
  2. Specifications
  3. Browser compatibility

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.close()

Parameters

None.

Return value

A promise.

Specifications

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

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Basic support
Experimental
Chrome Full support 61Edge No support NoFirefox No support NoIE No support NoOpera Full support 48Safari No support NoWebView Android No support NoChrome Android Full support 61Edge Mobile No support NoFirefox Android No support NoOpera Android Full support 48Safari iOS No support NoSamsung Internet Android No support No

Legend

Full support  
Full support
No support  
No support
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.

Document Tags and Contributors

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