The read-only context property of the AudioNode interface returns the associated BaseAudioContext, that is the object representing the processing graph the node is participating in.


var aContext = anAudioNode.context;


The AudioContext or OfflineAudioContext object that was used to construct this AudioNode.


const AudioContext = window.AudioContext || window.webkitAudioContext;
const audioCtx = new AudioContext();

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

console.log(oscillator.context); // AudioContext
console.log(oscillator.context === audioCtx); // true


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

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support141225 No156
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support Yes18 Yes2615 ? Yes

See also

Document Tags and Contributors

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