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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

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support Not supported ? ? ? ?
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support Not supported Not supported ? ? ? ? ? Not supported

Document Tags and Contributors

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