https://feistritz-gail.gv.at/typo3temp/assets/compressed/scrolltop…db19ebcab9c9f4a8e77b734f0a651.js?1787664774

1/**
2 * Material-scrollTop
3 *
4 * Author: Bartholomej
5 * Website: https://github.com/bartholomej/material-scrollTop
6 * Docs: https://github.com/bartholomej/material-scrollTop
7 * Repo: https://github.com/bartholomej/material-scrollTop
8 * Issues: https://github.com/bartholomej/material-scrollTop/issues
9 */
10(function($) {
11    function mScrollTop(element, settings) {
12
13        var _ = this,
14            breakpoint;
15        var scrollTo = 0;
16
17        _.btnClass = '.material-scrolltop';
18        _.revealClass = 'reveal';
19        _.btnElement = $(_.btnClass);
20
21        _.initial = {
22            revealElement: 'body',
23            revealPosition: 'top',
24            padding: 0,
25            duration: 600,
26            easing: 'swing',
27            onScrollEnd: false
28        }
29
30        _.options = $.extend({}, _.initial, settings);
31
32        _.revealElement = $(_.options.revealElement);
33        breakpoint = _.options.revealPosition !== 'bottom' ? _.revealElement.offset().top : _.revealElement.offset().top + _.revealElement.height();
34        scrollTo = element.offsetTop + _.options.padding;
35
36        $(document).scroll(function() {
37            if (breakpoint < $(document).scrollTop()) {
38                _.btnElement.addClass(_.revealClass);
39            } else {
40                _.btnElement.removeClass(_.revealClass);
41            }
42        });
43
44        _.btnElement.click(function() {
45            var trigger = true;
46            $('html, body').animate({
47                scrollTop: scrollTo
48            }, _.options.duration, _.options.easing, function() {
49                if (trigger) { // Fix callback triggering twice on chromium
50                    trigger = false;
51                    var callback = _.options.onScrollEnd;
52                    if (typeof callback === "function") {
53                        callback();
54                    }
55                }
56            });
57            return false;
58        });
59    }
60
61    $.fn.materialScrollTop = function() {
62        var _ = this,
63            opt = arguments[0],
64            l = _.length,
65            i = 0;
66        if (typeof opt == 'object' || typeof opt == 'undefined') {
67            _[i].materialScrollTop = new mScrollTop(_[i], opt);
68        }
69        return _;
70    };
71}(jQuery));