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.
The connect event of the HID interface fires when the user agent connects to a HID device.
Use the event name in methods like addEventListener(), or set an event handler property.
addEventListener("connect", (event) => {}); onconnect = (event) => {};
A HIDConnectionEvent. Inherits from Event.
In addition to the properties listed below, properties from the parent interface, Event, are available.
In the following example an event listener is registered to listen for the connection of a device. The name of the device is then printed to the console using HIDDevice.productName.
navigator.hid.addEventListener("connect", ({ device }) => { console.log(`HID connected: ${device.productName}`); });
| Specification |
|---|
| WebHID API # dom-hid-onconnect |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | ||
connect_event |
89 | 89 | No | 75 | No | No | No | No | No | No | No | |
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https://developer.mozilla.org/en-US/docs/Web/API/HID/connect_event