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USBConnectionEvent: device property

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 device read-only property of the USBConnectionEvent interface returns a USBDevice object representing the device being connected or disconnected.

Value

A USBDevice object.

Examples

Connecting a USB device fires the connect event. The current USBDevice is returned by calling event.device.

js

navigator.usb.addEventListener("connect", (event) => {
  console.log(event.device);
});

Specifications

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
device 61 79 No No 48 No No 61 No 45 No 8.0

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https://developer.mozilla.org/en-US/docs/Web/API/USBConnectionEvent/device