dom / latest / audioparam / defaultvalue.html /

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.

Value

A floating-point Number.

Examples

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

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
defaultValue
14
12
25
No
15
6
≤37
18
25
14
6
1.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/AudioParam/defaultValue