1. Web
  2. Web APIs
  3. USBConnectionEvent
  4. USBConnectionEvent()

USBConnectionEvent: USBConnectionEvent() constructor

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 USBConnectionEvent() constructor creates a new USBConnectionEvent object. This constructor is not typically used, it is created by the browser in response to the connection and disconnection of a USB device.

Syntax

js
new USBConnectionEvent(type, options)

Parameters

type

A string with the name of the event. It is case-sensitive and browsers set it to connect or disconnect.

options

An object that, in addition of the properties defined in Event(), can have the following properties:

device

A USBDevice representing the USB device being connected or disconnected.

Return value

A new USBConnectionEvent object.

Specifications

Specification
WebUSB API
# dom-usbconnectionevent-usbconnectionevent

Browser compatibility

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