AudioParam: defaultValue プロパティ
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2021.
defaultValue
は AudioParam
インターフェイスの読み取り専用プロパティで、 AudioParam
を作成する固有の AudioNode
で定義する属性の初期値を表します。
値
浮動小数点数 (Number
) です。
例
js
const audioCtx = new AudioContext();
const gainNode = audioCtx.createGain();
const defaultVal = gainNode.gain.defaultValue;
console.log(defaultVal); // 1
console.log(defaultVal === gainNode.gain.value); // true
仕様書
Specification |
---|
Web Audio API # dom-audioparam-defaultvalue |
ブラウザーの互換性
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
defaultValue |
Legend
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- Full support
- Full support
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