preload.js

(function() {
	'use strict';

	angular
		.module('app')
		.directive('preloadImages', preloadImagesDirective);

	preloadImagesDirective.$inject = [];

	function preloadImagesDirective() {
		return {
			restrict: 'A',

			link: function($scope, el, attrs) {

				var evaledImages = $scope.$eval(attrs.images);

				if (angular.isArray(evaledImages)) {
					var images = evaledImages;
				} else {
					var images = attrs.images.replace(/'/g, "").split(',');
				}

				angular.forEach(images, function(value) {
  						
  					var img = new Image();
  					img.src = value;

				});

			}
		
		}
	}


})();