https://www.bregtobjects.nl/wp-content/themes/bz-waas/assets/essentials/es-sticky.js?v=26.0

1/**
2 * Plugin Name: jQuery Essentials Sticky
3 * Version: 1.5
4 * Date: 01-10-2019
5 * License: CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/deed)
6 *
7 * Usage:
8 jQuery(outerContainer).esSticky({
9 innerContainer: ".sticky-container-in",
10 minFixed: true,
11 minFixedWidth: 768,
12 maxFixed: false,
13 maxFixedWidth: 767,
14 scrollContainer: window
15 });
16 *
17 **/
18
19/** GET SCROLLPOSITION **/
20var scrollPosition = jQuery(window).scrollTop();
21
22if(scrollPosition > 0){
23	jQuery(document).on('ready', function () {
24		jQuery('.sticky').esSticky({
25			loadType: "ready"
26		});
27	});
28} else {
29	jQuery(window).on('load', function () {
30		jQuery('.sticky').esSticky({
31			loadType: "load"
32		});
33	});
34}
35
36
37(function ( jQuery ) {
38
39	jQuery.fn.esSticky= function( options ) {
40		var outerContainer = jQuery(this);
41		var settings = jQuery.extend({
42			innerContainer: ".sticky-in",
43			minFixed: false,
44			minFixedWidth: 768,
45			maxFixed: false,
46			maxFixedWidth: 767,
47			scrollContainer: window,
48			loadType: "ready"
49		}, options);
50
51		function renderEsSticky(){
52
53			var windowWidth = jQuery(window).width();
54
55			if((!settings.minFixed && !settings.maxFixed) || (settings.minFixed && (windowWidth > settings.minFixedWidth)) || (settings.maxFixed && (windowWidth <= settings.maxFixedWidth))){
56				var container = outerContainer;
57				var fixedPosition = 0;
58				container.each(function(){
59					if(jQuery(this).is(":visible")) {
60						var containerHeight = jQuery(this).height();
61						var windowScroll = jQuery(window).scrollTop();
62						var containerPosition = jQuery(this).offset().top;
63						var containerIn = jQuery(this).find(settings.innerContainer);
64						if((windowScroll+fixedPosition) < containerPosition || windowScroll == 0){
65							containerIn.removeClass('fixed').css('top','0px');
66						} else {
67							containerIn.addClass('fixed').css('top',fixedPosition+'px');
68							fixedPosition = fixedPosition+containerHeight;
69						}
70					}
71				});
72			}
73		}
74
75		function resizeSticky(){
76			var windowWidth = jQuery(window).width();
77			if(!settings.minFixed || (settings.minFixed && (windowWidth > settings.minFixedWidth))){
78				var container = outerContainer;
79				container.each(function(){
80					var containerIn = jQuery(this).find(settings.innerContainer);
81					var containerInHeight = containerIn.outerHeight();
82					jQuery(this).height(containerInHeight);
83				});
84			}
85			jQuery(window).trigger('headerChange');
86		}
87
88		resizeSticky();
89		renderEsSticky();
90
91		if(settings.loadType === "ready"){
92			jQuery(window).on('load',function(){
93				resizeSticky();
94				renderEsSticky();
95			});
96		}
97
98		jQuery(window).on('resize',function(){
99			resizeSticky();
100			renderEsSticky();
101		});
102
103		jQuery(window).on('scroll',function(){
104			renderEsSticky();
105		});
106
107	};
108
109}( jQuery ));