'); }); wavesurfer.on('ready', function () { $('#waveform--15738').remove(); $('#acont--15738').removeClass('cont_hide'); }); var buttonBack = document.getElementById('sback-15738'); buttonBack.addEventListener('click', wavesurfer.skipBackward.bind(wavesurfer)); var buttonForw = document.getElementById('sforw-15738'); buttonForw.addEventListener('click', wavesurfer.toggleMute.bind(wavesurfer)); var buttonPlay = document.getElementById('play-15738'); buttonPlay.addEventListener('click', wavesurfer.playPause.bind(wavesurfer));