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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 BluetoothGATTService.getCharacteristics() method returns a Promise to a list of BluetoothGATTCharacteristic instances for a given universally unique identifier (UUID).
Syntax
bluetoothGATTServiceInstance.getCharacteristics(characteristics).then(function(BluetoothGATTCharacteristic[]) { ... } )
Returns
A Promise to an Array of BluetoothGATTCharacteristic instances.
Parameters
- characteristic
- The UUID of a characteristic, for example
'00002a37-0000-1000-8000-00805f9b34fb'for the Heart Rate Measurement characteristic.
Specifications
| Specification | Status | Comment |
|---|---|---|
| Web Bluetooth The definition of 'getCharacteristics()' in that specification. |
Draft | Initial definition. |
Browser Compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | No support | ? | ? | ? | ? |
| Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|---|
| Basic support | No support | No support | ? | ? | ? | ? | ? | No support |