$(function() { $.fn.scrollToTop = function() { $(this).hide().removeAttr("href"); if ($(window).scrollTop() != "0") { $(this).fadeIn("slow") } var scrollDiv = $(this); $(window).scroll(function() { if ($(window).scrollTop() == "0") { $(scrollDiv).fadeOut("slow") } else { $(scrollDiv).fadeIn("slow") } }); $(this).click(function() { $("html, body").animate({ scrollTop: 0 }, "slow") }) } }); $(function() { $("#btt").scrollToTop(); });
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