getCharacteristics()

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

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

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

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
getCharacteristics
Experimental
Chrome No support NoEdge ? Firefox ? IE No support NoOpera Full support YesSafari ? WebView Android No support NoChrome Android No support NoEdge Mobile ? Firefox Android ? Opera Android Full support YesSafari iOS ? Samsung Internet Android Full support Yes

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.

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