Non-standard
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 BluetoothRemoteGATTDescriptor.readValue() method returns a Promise that resolves to an ArrayBuffer holding a duplicate of the value property if it is available and supported. Otherwise it throws an error.
Syntax
BluetoothRemoteGATTDescriptor.readValue().then(function(value[]) { ... })
Returns
A Promise that resolves to an ArrayBuffer.
Specifications
| Specification | Status | Comment |
|---|---|---|
| Web Bluetooth The definition of 'readValue()' in that specification. |
Draft | Initial definition. |
Browser Compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | 57 | ? | ? | ? | 44 | ? |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
|---|---|---|---|---|---|---|---|
| Basic support | No | 57 | ? | ? | 44 | ? | ? |