This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
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.
The AudioContext or OfflineAudioContext object that was used to construct this AudioNode.
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 |
|---|
| Web Audio API> # dom-audionode-context> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
context |
14 | 12 | 25 | 15 | 6 | 18 | 25 | 14 | 6 | 1.0 | 4.4.3 | 6 |
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https://developer.mozilla.org/en-US/docs/Web/API/AudioNode/context