/ Published in: jQuery
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Courtesy Brian Cray.
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$(function(){ /* set variables locally for increased performance */ var scroll_timer, displayed = false, $message = $('#message a'), $window = $(window), top = $(document.body).children(0).position().top; /* react to scroll event on window */ $window.scroll(function () { window.clearTimeout(scroll_timer); scroll_timer = window.setTimeout(function () { // use a timer for performance if($window.scrollTop() <= top) // hide if at the top of the page { displayed = false; $message.fadeOut(500); } else if(displayed == false) // show if scrolling down { displayed = true; $message.stop(true, true).show().click(function () { $message.fadeOut(500); }); } }, 100); }); });
URL: http://briancray.com/2009/10/06/scroll-to-top-link-jquery-css/
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