USBDevice: open() 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 open() method of the USBDevice interface returns a promise that resolves when a device session has started.

Syntax

js
open()

Parameters

None.

Return value

Specifications

Specification
WebUSB API
# ref-for-dom-usbdevice-open①

Browser compatibility

BCD tables only load in the browser