small jQuery plugin to animate a counting to number

countTo.js

(function($) {
  $.fn.countTo = function(options) {
    // merge the default plugin settings with the custom options
    options = $.extend({}, $.fn.countTo.defaults, options || {});

    // how many times to update the value, and how much to increment the value on each update
    var loops = Math.ceil(options.speed / options.refreshInterval),
    increment = (options.to - options.from) / loops;

    return $(this).each(function() {

      function updateTimer() {
        var printValue;
        value += increment;
        loopCount++;
        // if (value <= 9) {
        //   printValue = '0' + value.toFixed(options.decimals);
        // } else {
          printValue = value.toFixed(options.decimals);
        // }
        $(_this).html(printValue);

        if (typeof(options.onUpdate) === 'function') {
          options.onUpdate.call(_this, value);
        }

        if (loopCount >= loops) {
          clearInterval(interval);
          value = options.to;

          if (typeof(options.onComplete) === 'function') {
            options.onComplete.call(_this, value);
          }
        }
      }

      var _this = this,
      loopCount = 0,
      value = options.from,
      interval = setInterval(updateTimer, options.refreshInterval);
    });
  };

  $.fn.countTo.defaults = {
    from: 0,  // the number the element should start at
    to: 100,  // the number the element should end at
    speed: 1000,  // how long it should take to count between the target numbers
    refreshInterval: 100,  // how often the element should be updated
    decimals: 0,  // the number of decimal places to show
    onUpdate: null,  // callback method for every time the element is updated,
    onComplete: null,  // callback method for when the element finishes updating
  };
})(jQuery);