HID: disconnect event
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
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.
Note: This feature is available in Web Workers.
The disconnect
event of the HID
interface fires when the user agent disconnects a HID device.
Syntax
Use the event name in methods like addEventListener()
, or set an event handler property.
addEventListener("disconnect", (event) => {});
ondisconnect = (event) => {};
Event type
A HIDConnectionEvent
. Inherits from Event
.
Event properties
Examples
In the following example an event listener is registered to listen for the disconnection of a device. The name of the device is then printed to the console using HIDDevice.productName
.
navigator.hid.addEventListener("disconnect", ({ device }) => {
console.log(`HID disconnected: ${device.productName}`);
});
Specifications
Specification |
---|
WebHID API # dom-hid-ondisconnect |
Browser compatibility
BCD tables only load in the browser