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.
The ondisconnect property of the USB is an event handler called whenever a paired device is disconnected. It is passed an instance of USBConnectionEvent.
USB.ondisconnect = disconnectFunction
| Specification |
|---|
| WebUSB API # ref-for-dom-usb-ondisconnect |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
ondisconnect |
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/USB/ondisconnect