Check if a user is scrolling

scroll-check.js

// jquery >> Scroll Check >>>>>>>>>>>>>>>>
 
// prereq: debounce: https://github.com/cowboy/jquery-throttle-debounce

$(window).scroll($.debounce( 250, true, function(){ // +++ if scrolling
	// do something
}));
$(window).scroll($.debounce( 250, function(){ // +++ if not...
	// do something else
}));