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HIDDevice: opened property

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 opened read-only property of the HIDDevice interface returns true if the connection to the HIDDevice is open and ready to transfer data.

Value

A boolean value, true if the connection is open.

Examples

The following example retrieves devices with HID.getDevices() and logs the value of opened to the console.

js

document.addEventListener("DOMContentLoaded", async () => {
  let devices = await navigator.hid.getDevices();
  devices.forEach((device) => {
    console.log(`HID: ${device.opened}`);
  });
});

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
opened 89 89 No No 75 No No No No No No No

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https://developer.mozilla.org/en-US/docs/Web/API/HIDDevice/opened