HIDDevice.opened

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

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

Syntax

let opened = HIDDevice.opened;

Value

A boolean value, true if the connection is open.

Examples

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

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

Specifications

Specification
WebHID API
# dom-hiddevice-opened

Browser compatibility

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