W3cubDocs

/DOM

AudioNode.numberOfInputs

The numberOfInputs property of the AudioNode interface returns the number of inputs feeding the node. Source nodes are defined as nodes having a numberOfInputs property with a value of 0.

Syntax

var oscillator = audioCtx.createOscillator();
var inputs = oscillator.numberOfInputs;

Value

An integer.

Example

var AudioContext = window.AudioContext || window.webkitAudioContext;

var audioCtx = new AudioContext();

var oscillator = audioCtx.createOscillator();
var gainNode = audioCtx.createGain();

oscillator.connect(gainNode);
gainNode.connect(audioCtx.destination);

var inputs = oscillator.numberOfInputs;

Specifications

Specification	Status	Comment
Web Audio API The definition of 'numberOfInputs' in that specification.	Working Draft

Browser compatibility

Feature	Chrome	Edge	Firefox (Gecko)	Internet Explorer	Opera	Safari (WebKit)
Basic support	10.0webkit	(Yes)	25.0 (25.0)	No support	15.0webkit 22 (unprefixed)	(Yes)