2 lines
689 B
JavaScript
2 lines
689 B
JavaScript
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!function(){"use strict";if("querySelector"in document&&"addEventListener"in window){var t=document.querySelector(".generate-back-to-top");t&&(window.addEventListener("scroll",function(){var e=window.pageYOffset,i=t.getAttribute("data-start-scroll");e>i&&(t.style.opacity="1",t.style.visibility="visible"),e<i&&(t.style.opacity="0",t.style.visibility="hidden")}),t.addEventListener("click",function(e){e.preventDefault(),function(t,e){var i,n=window.pageYOffset,o=document.body.offsetTop,r=(o-n)/(e/16);i=function(){window.pageYOffset<=(o||0)&&clearInterval(a)};var a=setInterval(function(){window.scrollBy(0,r),i()},16)}(document.body,t.getAttribute("data-scroll-speed")||400)},!1))}}();
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