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AudioNode: numberOfOutputs プロパティ - Web API | MDN
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AudioNode: numberOfOutputs 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 2015年7月.
AudioNode インターフェイスの numberOfOutputs プロパティは、このノードからの出力の数を返します。出力先ノード (AudioDestinationNode など) では、この属性の値は 0 です。
値
0 以上の整数です。
例
js
const audioCtx = new AudioContext();
const oscillator = audioCtx.createOscillator();
const gainNode = audioCtx.createGain();
oscillator.connect(gainNode).connect(audioCtx.destination);
console.log(oscillator.numberOfOutputs); // 1
console.log(gainNode.numberOfOutputs); // 1
console.log(audioCtx.destination.numberOfOutputs); // 0
仕様書
| Specification |
|---|
| Web Audio API # dom-audionode-numberofoutputs |
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