The onstatechange property of the AudioContext interface defines an event handler function to be called when the statechange event fires: this occurs when the audio context's state changes.
var audioCtx = new AudioContext();
audioCtx.onstatechange = function() { ... }; The following snippet is taken from our AudioContext states demo (see it running live.) The onstatechange hander is used to log the current state to the console every time it changes.
audioCtx.onstatechange = function() {
console.log(audioCtx.state);
}
| Specification | Status | Comment |
|---|---|---|
| Web Audio API The definition of 'onstatechange' in that specification. | Working Draft |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 43.0 | 40.0 (40.0) | Not supported | ? | ? |
| Feature | Android | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|
| Basic support | ? | ? | ? | ? | ? | ? | ? |
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https://developer.mozilla.org/en-US/docs/Web/API/AudioContext/onstatechange