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BluetoothRemoteGATTCharacteristic: readValue() method

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

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

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The BluetoothRemoteGATTCharacteristic.readValue() method returns a Promise that resolves to a DataView holding a duplicate of the value property if it is available and supported. Otherwise it throws an error.

Syntax

readValue()

Parameters

None.

Return value

A Promise that resolves to a DataView.

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Opera Safari Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet WebView Android WebView on iOS
readValue 56 79 No 43 No 56 No 43 No 6.0 No No

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https://developer.mozilla.org/en-US/docs/Web/API/BluetoothRemoteGATTCharacteristic/readValue