AudioContext: resume() method
{{ APIRef("Web Audio API") }}
The resume() method of the {{ domxref("AudioContext") }}
interface resumes the progression of time in an audio context that has previously been
suspended.
This method will cause an INVALID_STATE_ERR exception to be thrown if
called on an {{domxref("OfflineAudioContext")}} .
Syntax
resume()
Parameters
None.
Return value
A {{jsxref("Promise")}} that resolves when the context has resumed. The promise is
rejected if the context has already been closed.
Examples
The following snippet is taken from our AudioContext states demo (see it running live.) When the suspend/resume button is clicked, the
{{domxref("BaseAudioContext/state", "AudioContext.state")}} is queried — if it is running,
{{domxref("AudioContext.suspend()", "suspend()")}} is called; if it is
suspended, resume() is called. In each case, the text label of
the button is updated as appropriate once the promise resolves.
susResBtn.onclick = () => {
if (audioCtx.state === "running") {
audioCtx.suspend().then(() => {
susResBtn.textContent = "Resume context";
});
} else if (audioCtx.state === "suspended") {
audioCtx.resume().then(() => {
susResBtn.textContent = "Suspend context";
});
}
};
Specifications
{{Specifications}}
Browser compatibility
{{Compat}}