HIDConnectionEvent:device 属性

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

安全上下文: 此项功能仅在一些支持的浏览器安全上下文(HTTPS)中可用。

实验性: 这是一项实验性技术
在将其用于生产之前,请仔细检查浏览器兼容性表格

备注: 此特性在 Web Worker(不包括共享 Web Worker)中可用。

HIDConnectionEvent 接口的 device 只读属性返回与此连接事件有关联的 HIDDevice

一个 HIDDevice

示例

以下示例为 connectdisconnect 事件注册监听器,然后把 HIDDevice.productName 打印到控制台。

js
navigator.hid.addEventListener("connect", ({ device }) => {
  console.log(`HID 已连接:${device.productName}`);
});

navigator.hid.addEventListener("disconnect", ({ device }) => {
  console.log(`HID 断开连接:${device.productName}`);
});

规范

Specification
WebHID API
# dom-hidconnectionevent-device

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
device
Experimental

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support
Experimental. Expect behavior to change in the future.