jQuery(function ($) {
  // custom formatting example
  $('#earth').data('countToOptions', {
    formatter: function (value, options) {
      return value.toFixed(options.decimals).replace(/\B(?=(?:\d{3})+(?!\d))/g, ',');
    }
  });

  // custom callback when counting completes
  $('#countdown').data('countToOptions', {
    onComplete: function (value) {
      $(this).text('BLAST OFF!').addClass('red');
    }
  });

  // another custom callback for counting to infinity
  $('#infinity').data('countToOptions', {
    onComplete: function (value) {
      count.call(this, {
        from: value,
        to: value + 1000
      });
    }
  });

  // start all the timers
  $('.timer').each(count);

  // restart a timer when a button is clicked
  $('.restart').click(function (event) {
    event.preventDefault();
    var target = $(this).data('target');
    $(target).countTo('restart');
  });

  function count(options) {
    var $this = $(this);
    options = $.extend({}, options || {}, $this.data('countToOptions') || {});
    $this.countTo(options);
  }
});