Cacher is the code snippet organizer for pro developers

var ticking = false;
        window.addEventListener('scroll',
            function (e) {

                if (!ticking) {
                    window.requestAnimationFrame(function () {
                        DO_WHATEVER_NEEDS_TO_BE_DONE();
                        ticking = false;
                    });

                    ticking = true;

                }
            });