jQuery(document).ready(function($) {

  // initialize audio object
  var audio = new Audio();
  var audioProgress;


  function initAudio() {

    // store variables
    var player = $('.audio-player');
    var playControl = $('.player-control');
    var pauseButton = $('.audio-pause');
    audioProgress = $('.audio-player-progress');
    // var track = player.attr('data-source');
    //
    // // set the audio track for each player
    //
    // audio.src = track;


    // audio player functions

    var currPlayButton;
    var currPauseButton;
    var currProgress;
    var time;

    $('.audio-play').on('click', function() {
      var $this = $(this);
      var track = $this.parents('.audio-player').attr('data-source');
      currProgress = $this.parents('.audio-player-controls').siblings('.audio-player-progress');
      audio.src = track;

      if (audio.pause) {
        audio.play();
        audio.volume = 0.3;
      }

      $(audio).on('timeupdate', function() {
        var $this = $(this);
        var curTime = audio.currentTime;
        var dur = audio.duration;
        time = curTime*(100/dur);
        // var time = ($('.track').currentTime / $('.track').duration);
        currProgress.attr('value', time);
      });
    });



    $('.audio-stop').on('click', function() {
      var $this = $(this);
      time = 0;
      audio.pause();
      audio.src = '';
      audioProgress.attr('value', 0);
    });

    // playControl.on('click', function() {
    //   var $this = $(this);
    //   var track = $this.parents('.audio-player').attr('data-source');
    //   currPlayButton = $this;
    //   currPauseButton = $this.siblings();
    //   audio.src = track;
    //
    //
    //   if (currPlayButton.hasClass('play-control')) {
    //     audio.play();
    //     audio.volume = 0.3;
    //     currPlayButton.addClass('hide');
    //     currPauseButton.removeClass('hide');
    //   } else {
    //     audio.pause();
    //     currPauseButton.addClass('hide');
    //     currPlayButton.removeClass('hide');
    //   }
    //
    // });

    // Play function
    // function playAudio() {
    //
    // }

    //
    // pauseButton.on('click', function() {
    //   pauseAudio();
    //   $('.pause-control').addClass('hide');
    //   $('.play-control').removeClass('hide');
    // });

  }

  initAudio();




    // track.on('click', function() {
    //
    //   playButton.on('click', function() {
    //     playAudio();
    //   });
    //
    //   pauseButton.on('click', function() {
    //     pauseAudio();
    //   });
    //
    // });


    //calculate and display track duration
    function duration() {
      if(audio.readyState > 0) {
          var minutes = parseInt(audio.duration / 60, 10);
          var seconds = parseInt(audio.duration % 60);

          audioProgress.html('<p>' + minutes + ':' + seconds + '</p>');
      }

      audio.addEventListener("timeupdate", function() {
        var duration = parseInt( audio.duration ),
            currentTime = parseInt( audio.currentTime ),
            timeLeft = duration - currentTime,
            s, m;


        s = timeLeft % 60;
        m = Math.floor( timeLeft / 60 ) % 60;

        s = s < 10 ? "0"+s : s;
        m = m < 10 ? "0"+m : m;

        audioProgress.innerHTML = m+":"+s;

      }, false);
    }



    // Player Interaction

    // $('.audio-play').on('click', function() {
    //   playAudio();
    // });
    //
    // $('.audio-pause').on('click', function() {
    //   pauseAudio();
    // });

  //
  //
  //
  //
  //   // play audio when you click on track li
  //   track.on('click', function() {
  //     var $this = $(this);
  //     var currPlayer = $this.closest('.audio-player');
  //     // var playerID = player.attr('data-id');
  //     var curtimetext = currPlayer.find('.curtimetext');
  //     var durtimetext = currPlayer.find('.durtimetext');
  //
  //     curtimetext.html('0:00');
  //     durtimetext.html('0:00');
  //
  //     // // stop all audio
  //     stopAudio();
  //
  //     // set active class on clicked track item
  //     track.removeClass('active');
  //     $this.addClass('active');
  //
  //     // show player controls on click
  //     // $this.closest('play-pause').removeClass('hide-controls');
  //
  //     // get audio source from HTML
  //     // data-track is retrieved from the HTML
  //     var trackNumber = $this.attr('data-track');
  //     var bookName = $this.attr('data-name');
  //     // add track number to the common URL for the audio files
  //     audio.src = "https://immersebible.com/wp-content/uploads/2017/09/Immerse-" + bookName + "-Day_" + trackNumber + ".mp3";
  //
  //     // play the new audio
  //     playAudio();
  //
  //     playButton.on('click', function() {
  //       playAudio();
  //     });
  //
  //     pauseButton.on('click', function() {
  //       pauseAudio();
  //     });
  //
  //     // seek/time update
  //
  //     function seektimeupdate() {
  //       player.find('.curtimetext').html('0:00');
  //       player.find('.durtimetext').html('0:00');
  //       var nt = audio.currentTime * (100 / audio.duration);
  //       // seekslider.val = nt;
  //       var curmins = Math.floor(audio.currentTime / 60);
  //       var cursecs = Math.floor(audio.currentTime - curmins * 60);
  //       var durmins = Math.floor(audio.duration / 60);
  //       var dursecs = Math.floor(audio.duration - durmins * 60);
  //
  //       if(cursecs < 10){ cursecs = "0"+cursecs; }
  //       if(dursecs < 10){ dursecs = "0"+dursecs; }
  //       if(curmins < 10){ curmins = "0"+curmins; }
  //       if(durmins < 10){ durmins = "0"+durmins; }
  //
  //       curtimetext.html(curmins+":"+cursecs);
  //       durtimetext.html(durmins+":"+dursecs);
  //
  //     }
  //
  //     $(audio).on("timeupdate", function() {
  //       seektimeupdate();
  //     });
  //   });
  //
  // }



});
<!-- LIVE: wpmu3.northcentralus.cloudapp.azure.com/nlt//wp-content/themes/nltrefresh/js/audio-player.js -->