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.
Syntax
var numOutputs = audioNode.numberOfOutputs;
Value
An integer ≥ 0.
Example
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
Specifications
Specification | Status | Comment |
---|---|---|
Web Audio API The definition of 'numberOfOutputs' in that specification. |
Working Draft |
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