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AudioParam.defaultValue

The defaultValue read-only property of the AudioParam interface represents the initial value of the attributes as defined by the specific AudioNode creating the AudioParam.

Syntax

var defaultVal = audioParam.defaultValue;

Value

A floating-point Number.

Example

const audioCtx = new AudioContext();
const gainNode = audioCtx.createGain();
const defaultVal = gainNode.gain.defaultValue;
console.log(defaultVal); //1
console.log(defaultVal === gainNode.gain.value); //true

Specifications

Specification Status Comment
Web Audio API
The definition of 'defaultValue' in that specification.
Working Draft  

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support141225 No156
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support Yes14 Yes2615 ? Yes

See also

Document Tags and Contributors

Contributors to this page: Jedipedia, fscholz, erikadoyle, chrisdavidmills
Last updated by: Jedipedia,