Igualador de alturas de elementos parametrizado

gistfile1.js

var setEqualHeight = function(){
  "use strict";
	function init(){
		var obj = $(".setEqualHeight");

		obj.each(function(){
			var $that = $(this),
				itemToSetHeight = $that.attr('data-itemToSetHeight'),
				elementsToCompare = $that.attr('data-elementsToCompare');

			calculateHeight($that, itemToSetHeight, elementsToCompare);
		});
		
	}
	function calculateHeight(container, itemToSetHeight, elementsToCompare){
		var elemens = container.find("."+itemToSetHeight),
			len = elemens.length,
			i, heights, finalHeight, rowOfItems;

		for(i = 0; i < len; i+=elementsToCompare) {
			rowOfItems = elemens.slice(i, i+elementsToCompare);
			heights = getHeights(rowOfItems);
			finalHeight = Math.max.apply(Math, heights);
			setFinalHeight(finalHeight, rowOfItems);
		}
	}

	function setFinalHeight(height, items){

		items.css('min-height', height);
	}

	function getHeights(items){
		var heights = [], i,
			len = items.length;
		for (i = 0; i < len; i++){
			heights.push(items.eq(i).height());
		}
		return heights;
	}

	return {
		init:init
	};

}();