https://mfcha.org/layout/scripts/jquery.backtotop.js

1/*
2Template Name: Drywest
3Author: <a href="http://www.os-templates.com/">OS Templates</a>
4Author URI: http://www.os-templates.com/
5Licence: Free to use under our free template licence terms
6Licence URI: http://www.os-templates.com/template-terms
7File: Back to Top JS
8*/
9
10jQuery("#backtotop").click(function () {
11    jQuery("body,html").animate({
12        scrollTop: 0
13    }, 600);
14});
15jQuery(window).scroll(function () {
16    if (jQuery(window).scrollTop() > 150) {
17        jQuery("#backtotop").addClass("visible");
18    } else {
19        jQuery("#backtotop").removeClass("visible");
20    }
21});