1. Web
  2. Web APIs
  3. USBDevice
  4. close()

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

Syntax

js
close()

Parameters

None.

Return value

A Promise.

Specifications

Specification
WebUSB API
# dom-usbdevice-close

Browser compatibility

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