This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

The BluetoothRemoteGATTCharacteristic.getDescriptor() method returns a Promise that resolves to the first BluetoothGATTDescriptor for a given descriptor UUID.


BluetoothRemoteGATTCharacteristic.getDescriptor(bluetoothDescriptorUUID).then(function(bluetoothGATTDescriptor) { ... })


A Promise that resolves to the first BluetoothGATTDescriptor.


Specification Status Comment
Web Bluetooth
The definition of 'getDescriptor()' in that specification.
Draft Initial definition.

Browser Compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 57 ? ? 44 ?
Feature Android Webview Chrome for Android Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile
Basic support No support 57 ? ? ? 44 ?

Document Tags and Contributors

Contributors to this page: jpmedley, rolfedh
Last updated by: jpmedley,