The numberOfOutputs
property of the AudioNode
interface returns the number of outputs coming out of the node. Destination nodes — like AudioDestinationNode
— have a value of 0 for this attribute.
The numberOfOutputs
property of the AudioNode
interface returns the number of outputs coming out of the node. Destination nodes — like AudioDestinationNode
— have a value of 0 for this attribute.
An integer ≥ 0.
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
Specification |
---|
Web Audio API # dom-audionode-numberofoutputs |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
numberOfOutputs |
14 | 12 | 25 | No | 15 | 6 | 4.4.3 | 18 | 25 | 14 | 6 | 1.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/AudioNode/numberOfOutputs