/Web APIs

USBConnectionEvent: USBConnectionEvent() constructor

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

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

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.



new USBConnectionEvent(type, options)



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


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


A USBDevice representing the USB device being connected or disconnected.

Return value

A new USBConnectionEvent object.


Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
USBConnectionEvent 61 79 No No 48 No No 61 No 45 No 8.0

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