!function(){"use strict";function trackScroll(){var scrolled=window.pageYOffset,coords=document.documentElement.clientHeight;scrolled>coords&&goTopBtn.classList.add("back_to_top-show"),scrolled<coords&&goTopBtn.classList.remove("back_to_top-show")}function backToTop(){window.pageYOffset>0&&(window.scrollBy(0,-30),setTimeout(backToTop,0))}var goTopBtn=document.createElement("div");goTopBtn.id="back_to_top",goTopBtn.innerHTML="UP",document.body.appendChild(goTopBtn),window.addEventListener("scroll",trackScroll),goTopBtn.addEventListener("click",backToTop)}();
//# sourceMappingURL=backtotop.min.js.map