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(); oscillator.connect(gainNode).connect(audioCtx.destination); 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 |
Desktop | ||||||
---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
Basic support | 14 | 12 | 25 | No | 15 | 6 |
Mobile | |||||||
---|---|---|---|---|---|---|---|
Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
Basic support | Yes | 18 | Yes | 26 | 15 | ? | Yes |
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/AudioNode/context