.js

  const _setAudioTime = (e, line) => {
            let offset = 15, //15 because has a padding left of 15 px
                clickedX = e.clientX - offset,
                elementWidth = line.clientWidth,
                percentClicked = clickedX * 100 / elementWidth,
                audioDuration = _audioElem.duration;

            let timeClicked = percentClicked * audioDuration / 100;

            _audioCircle.style.left = percentClicked + '%';
            _audioElem.currentTime = timeClicked
            _setFormatedTime(timeClicked, _songCurrentTimeLabel);
        }
        // set song duration when the audio element receive metadata
        _audioElem.addEventListener('loadedmetadata', () =>
            _setFormatedTime(_audioElem.duration, _songDurationLabel)
        );


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   _audioLine.addEventListener('click', function (e) {
            _setAudioTime(e, this)
        })