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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 BluetoothGATTService.isPrimary read-only property returns a Boolean that indicates whether this is a primary service. If it is not a primary service, it is a secondary service.


var isPrimary = BluetoothGATTService.isPrimary




Specification Status Comment
Web Bluetooth
The definition of 'isPrimary' in that specification.
Draft Initial definition.

Browser Compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 45.0 [1] ? ? ? ?
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

[1] Behind a flag.  Chrome OS only.

Document Tags and Contributors

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