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 |
---|
Web Audio API # dom-audioparam-defaultvalue |
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