USBConnectionEvent: device property
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 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
| Specification |
|---|
| WebUSB API # dom-usbconnectionevent-device |
Browser compatibility
| desktop | mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
device | ||||||||||||