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

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support14 Yes25 No156
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidIE mobileOpera AndroidiOS Safari
Basic support Yes14 Yes26 No15 ?

See also

Document Tags and Contributors

 Contributors to this page: fscholz, erikadoyle, chrisdavidmills
 Last updated by: fscholz,