(function($) { "use strict"; $(document).ready(function(){ //Check to see if the window is top if not then display button $(window).scroll(function(){ if ($(this).scrollTop() > 100) { $('.scrollToTop').fadeIn(); } else { $('.scrollToTop').fadeOut(); } }); //Click event to scroll to top $('.scrollToTop').click(function(){ $('html, body').animate({scrollTop : 0},800); return false; }); }); })(jQuery)