Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The underrunEvents read-only property of the AudioPlaybackStats interface is a number indicating how many underrun events have occurred since the audio context was initialized.
An integer indicating the number of underrun events. Initialized to 0.
const audioCtx = new AudioContext();
const stats = audioCtx.playbackStats;
// ...
// Log number of underrun events
console.log(stats.underrunEvents);See also the main AudioPlaybackStats reference page for a more in-depth example.