https://oms.sav.sk/wp-content/themes/akademia/js/button-back_to_top.js

1/**
2 * Akademia theme JS for back to top button(s).
3 *
4 * @package WordPress
5 * @subpackage Akademia
6 * @since Akademia 3.0.0
7 */
8
9jQuery( function ($) {
10
11    // Social bar back to top button
12    // Check if the window is on top, if not display button then
13    var scrolledFromTop = 400;
14
15    $( window ).scroll( function () {
16
17        if ( $( window ).scrollTop() > scrolledFromTop ) {
18            $( '#back-to-top-btn-side' ).css( 'opacity', 1 );
19        }
20        else {
21            $( '#back-to-top-btn-side' ).css( 'opacity', 0 );
22        }
23
24    } );
25
26    // Click event to scroll to top
27    $( '#back-to-top-btn-side' ).click( function () {
28        $( 'html, body' ).animate( {
29            scrollTop: 0
30        }, 300 );
31
32        return false;
33    } );
34
35    // Footer back to top button
36    // Click event to scroll to top
37    $( '#back-to-top-btn' ).click( function () {
38        $( 'html, body' ).animate( {
39            scrollTop: 0
40        }, 300);
41        return false;
42    } );
43
44} );