Infinite scroll concept, blog post here: http://benjaminhorn.io/code/how-to-implement-infinite-scroll/

InfiniteScroll.js

(function($, window, undefined) {
    var InfiniteScroll = function() {
        this.initialize = function() {
            this.setupEvents();
        };
        
        this.setupEvents = function() {
            $(window).on(
                'scroll',
                this.handleScroll.bind(this)
            );
        };
 
        this.handleScroll = function() {
            var scrollTop = $(document).scrollTop();
            var windowHeight = $(window).height();
            var height = $(document).height() - windowHeight;
            var scrollPercentage = (scrollTop / height);

            // if the scroll is more than 90% from the top, load more content.
            if(scrollPercentage > 0.9) {
                this.doSomething();
            }
        }
 
        this.doSomething = function() {
            // Do something.
            // Load data or whatever.
        }
 
        this.initialize();
    }
 
    $(document).ready(
        function() {
            // Initialize scroll
            new InfiniteScroll();
        }
    );
})(jQuery, window);

Because you have to unbind (.off method in JQ) when you get to the end of the page, other you constantly triggering still the same ...

This snippet is not good, complicated and without options.