angularJsScrollableDirective.js

myApp.directive("scrollable", function() {
            return function(scope, element, attrs) {
                var container = angular.element(element);
                container.bind("scroll", function(evt) {
                    if (container[0].scrollTop <= 0) {
                        alert('On the top of the world I\'m singing I\'m dancing.');
                    }
                    /*if (container[0].offsetHeight + container[0].scrollTop >= container[0].scrollHeight) {
                        alert('On the bottom of the world I\'m waiting.');
                    }*/
                });
            };
        })