You can use on() and un() methods to subscribe and
unsubscribe from various player events. For example:
wavesurfer.on('pause', function () {
wavesurfer.params.container.style.opacity = 0.9;
});Here's the list of available events:
audioprocess – Fires continuously as the audio plays.dblclick – When instance is double-clicked.destroy – When instance is destroyed.error – Occurs on error. Callback will receive (string) error message.finish – When it finishes playing.interaction – When there's interaction with the waveform.loading – Fires continuously when loading using fetch or drag'n'drop. Callback will receive (integer) loading progress in percents [0..100].mute – On mute change. Callback will receive (boolean) new mute status.pause – When audio is paused.play – When playback starts.ready – When audio is loaded, decoded and the waveform drawn. This fires before the waveform is drawn when using MediaElement, see waveform-ready.scroll - When the scrollbar is moved. Callback will receive a ScrollEvent object.seek – On seeking. Callback will receive (float) progress [0..1].volume – On volume change. Callback will receive (integer) new volume.waveform-ready – Fires after the waveform is drawn when using the MediaElement backend. If you're using the WebAudio backend, you can use ready.zoom – On zooming. Callback will receive (integer) minPxPerSec.