AudioNode: context プロパティ
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2021.
AudioNode
インターフェイスの読み取り専用プロパティ context
は、関連付けられた BaseAudioContext
、すなわちこのノードが参加している処理グラフを表すオブジェクトを返します。
値
この AudioNode
の構築に用いられた AudioContext
または OfflineAudioContext
です。
例
js
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
仕様書
Specification |
---|
Web Audio API # dom-audionode-context |
ブラウザーの互換性
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
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context |
Legend
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- Full support
- Full support
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