https://www.bestit.co/wp-content/themes/bestit/assets/js/sticky.js?ver=4.7.2

1jQuery( function( $ ) {
2	"use strict";
3
4	if ( $( '.header_is_sticky' ).length ) {
5
6		var body = $( document.body ),
7			inla = $( '.inner_layout' ),
8			abar = $( '.admin-bar' ).length ? 32 : 0;
9
10		/* Sticky */
11		setTimeout( function() {
12
13			$( '.header_is_sticky' ).each( function( n, x ) {
14
15				var header_sticky = $( x ),
16					header_5 = $( '.header_5' ),
17					lastScrollTop = 0, 
18					st, sticky_func,
19					h1h = 0,
20					h2h = 0,
21					h3h = 0,
22					scrollTop = header_sticky.offset().top,
23					h_offset = header_sticky.position(),
24					smart_sticky = function( scroll ) {
25
26						if ( header_sticky.hasClass( 'smart_sticky' ) || ( $( '.cz_fixed_footer' ).length && $( '.page_content' ).length && ( $( '.page_content' ).offset().top + $( '.page_content' ).height() <= $( window ).scrollTop() + header_sticky.height() ) ) ) {
27
28							st = scroll.scrollTop();
29
30							var oHeight = header_sticky.outerHeight();
31
32							if ( st > ( h_offset.top + oHeight + 100 ) && st > lastScrollTop ) {
33
34								header_sticky.css( 'transform', 'translateY(-' + ( oHeight + 20 ) + 'px)' );
35
36							} else if ( header_sticky.hasClass( 'header_5' ) && st < 200 ) {
37
38								header_sticky.css( 'transform', '' );
39
40							} else if ( st < lastScrollTop ) {
41
42								header_sticky.css( 'transform', 'none' );
43
44							}
45
46							lastScrollTop = st;
47
48						}
49						
50					};
51
52				if ( header_sticky.hasClass( 'header_5' ) ) {
53
54					header_5.addClass( 'onSticky' );
55
56					$( window ).on( 'scroll.sticky', function(e) {
57
58						var ph = header_5.height();
59
60						if ( $( window ).scrollTop() >= ph ) {
61							header_5.css( 'transform', 'none' ).css( 'width', inla.width() + 'px' );
62						} else {
63							header_5.css( 'transform', 'translateY(-' + ( ph + 20 ) + 'px)' ).css( 'width', inla.width() + 'px' );
64						}
65
66						smart_sticky( $( this ) );
67
68					});
69
70				} else if ( header_sticky.length ) {
71
72					/* Add corpse */
73					if ( ! header_sticky.prev( '.Corpse_Sticky').length ) {
74						header_sticky.before( '<div class="Corpse_Sticky' + ( header_sticky.hasClass( 'header_4' ) ? ' cz_sticky_corpse_for_header_4' : '' ) + '" aria-hidden="true"></div>' );
75					}
76
77					var scroll_down,
78						scroll_top,
79						new_scrollTop,
80						cz_sticky_h12 = $( '.cz_sticky_h12' ).length,
81						cz_sticky_h13 = $( '.cz_sticky_h13' ).length,
82						cz_sticky_h23 = $( '.cz_sticky_h23' ).length,
83						cz_sticky_h123 = $( '.cz_sticky_h123' ).length;
84
85					sticky_func = function(e) {
86
87						if ( header_sticky.hasClass( 'header_4' ) && header_sticky.css( 'display' ) == 'none' ) {
88							return;
89						}
90
91						new_scrollTop = scrollTop;
92
93						if ( $( '.header_1' ).length ) {
94							h1h = $( '.header_1' ).outerHeight();
95						}
96						if ( $( '.header_2' ).length ) {
97							h2h = $( '.header_2' ).outerHeight();
98						}
99						if ( $( '.header_3' ).length ) {
100							h3h = $( '.header_3' ).outerHeight();
101						}
102
103						if ( cz_sticky_h12 && header_sticky.hasClass( 'header_2' ) ) {
104							new_scrollTop = scrollTop + 1 - h1h;
105						} else if ( cz_sticky_h13 && header_sticky.hasClass( 'header_3' ) ) {
106							new_scrollTop = scrollTop + 1 - h1h;
107						} else if ( cz_sticky_h23 && header_sticky.hasClass( 'header_3' ) ) {
108							new_scrollTop = scrollTop + 1 - h2h;
109						} else if ( cz_sticky_h123 ) {
110
111							if ( header_sticky.hasClass( 'header_2' ) ) {
112								new_scrollTop = scrollTop + 1 - h1h;
113							}
114
115							if ( header_sticky.hasClass( 'header_3' ) ) {
116								new_scrollTop = scrollTop + 1 - ( h1h + h2h );
117							}
118
119						}
120
121						abar = $( '.xtra-preview-header' ).is( ':visible' ) ? 54 : abar;
122
123						scroll_top = $( window ).scrollTop() + abar;
124
125						if ( scroll_top === abar && ( body.hasClass( 'admin-bar' ) || body.hasClass( 'compose-mode' ) ) ) {
126							scroll_top = -abar;
127						}
128
129						scroll_down = scroll_top > new_scrollTop;
130
131						if ( scroll_down ) {
132							header_sticky.prev( '.Corpse_Sticky' ).css({
133								'height': header_sticky.outerHeight() + 'px'
134							});
135							header_sticky.delay( 100 ).addClass( 'onSticky' );
136						} else {
137							header_sticky.css( 'marginTop', '' ).removeClass( 'onSticky' ).prev( '.Corpse_Sticky').css({
138								'height': 'auto'
139							});
140						}
141
142						if ( scroll_down && cz_sticky_h12 && header_sticky.hasClass( 'header_2' ) ) {
143							$( '.header_2' ).css( 'marginTop', h1h );
144						} else if ( scroll_down && cz_sticky_h13 && header_sticky.hasClass( 'header_3' ) ) {
145							$( '.header_3' ).css( 'marginTop', h1h );
146						} else if ( scroll_down && cz_sticky_h23 && header_sticky.hasClass( 'header_3' ) ) {
147							$( '.header_3' ).css( 'marginTop', h2h );
148						} else if ( cz_sticky_h123 ) {
149							if ( scroll_down && header_sticky.hasClass( 'header_2' ) ) {
150								$( '.header_2' ).css( 'marginTop', h1h );
151							}
152							if ( scroll_down && header_sticky.hasClass( 'header_3' ) ) {
153								$( '.header_3' ).css( 'marginTop', ( h1h + h2h ) );
154							}
155						}
156
157						smart_sticky( $( this ) );
158						header_sticky.css( 'width', inla.width() + 'px' );
159						setTimeout(function() {
160							header_sticky.css( 'width', inla.width() + 'px' );
161						}, 500 );
162					};
163
164					$( window ).off( 'scroll.cz_sticky_' + n ).on( 'scroll.cz_sticky_' + n, sticky_func );
165					$( window ).off( 'resize.cz_sticky_' + n ).on( 'resize.cz_sticky_' + n, sticky_func );
166				}
167
168			});
169
170		}, 750 );
171
172	}
173
174});