23 lines
525 B
JavaScript
23 lines
525 B
JavaScript
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var SCROLL_SPEED = 400;
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var ready = function(callback) {
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if (document.readyState != "loading") callback();
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else document.addEventListener("DOMContentLoaded", callback);
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}
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ready(function() {
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jQuery(window).scroll(function() {
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if (jQuery(this).scrollTop() > 50) {
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jQuery('#back-to-top').fadeIn();
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} else {
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jQuery('#back-to-top').fadeOut();
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}
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});
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jQuery('#back-to-top').click(function() {
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jQuery('body,html').animate({
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scrollTop: 0
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}, SCROLL_SPEED);
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return false;
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});
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});
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