vulsai counter

gistfile1.js

;(function ( $, window, document, undefined ) {

  var defaults = {
    start: 0
    , update_interval: 2000
    , stop: false
    , stop_at: 600000
		, min_count: 1
		, max_count: 5
  };

	/*
	 * Constructor
	 */

  function vulsaiCounter(element, options){
    this.options = $.extend({}, defaults, options);
    this.el = $(element);
		this.counter = this.options.start;
		this.init();
  };

	vulsaiCounter.prototype.init = function(){
		var self = this;

		this.draw();
		this.counter_interval = setInterval(function(){
			self.update()
		}, self.options.update_interval);

		if(this.options.stop === true){
			setTimeout(function(){
				clearInterval(self.counter_interval);
			}, self.options.stop_at);
		}
	};

	vulsaiCounter.prototype.draw = function(){
		var arr = util.num_split(this.counter, this.el.children('span').length);
		this.el.children('span').each(function(i, el){
			$(this).text(arr[i]);
		});
	};

	vulsaiCounter.prototype.update = function(){
		var self = this;
		this.counter += self.options.min_count + Math.round(Math.random()*(self.options.max_count-self.options.min_count));
		this.draw();
	};

	var util = {};

	util.num_split = function(num, counter_length){
		var arr = [];
			
		while(num > 0){
			arr.push(num % 10);
			num = Math.floor(num / 10);
		}
		
		while(arr.length < counter_length){
			arr.push(0);
		}

		return arr.reverse();
	};


  $.fn.vulsaiCounter = function ( options ) {
    return this.each(function () {
      if(!$.data(this, 'plugin_vulsaiCounter')) {
        $.data(this, 'plugin_vulsaiCounter', new vulsaiCounter(this, options));
      }
    });
  };

})(jQuery, window, document);