Bluetooth.getDevices() - Web APIs 编辑

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 getDevices() method of Bluetooth interface of Web Bluetooth API exposes the Bluetooth devices this origin is allowed to access. This method does not display any permission prompts.

Note: This method returns a BluetoothDevice for each device the origin is currently allowed to access, even the ones that are out of range or powered off. The program can detect when a device comes online or into range by watching for BlueTooth advertisements by calling BluetoothDevice.watchAdvertisements() on that device.

Syntax

var readerPromise = Bluetooth.getDevices();

Parameters

None.

Return value

A Promise that resolves with an array of BluetoothDevices.

Exceptions

This method doesn't throw any exceptions.

Specifications