https://drhemajajoo.com/wp-content/themes/pregnancy/functions/js/stickyfloat.js?ver=6.7.9

1 /*
2 * stickyfloat - jQuery plugin for verticaly floating anything in a constrained area
3 *
4 * Example: jQuery('#menu').stickyfloat({duration: 400});
5 * parameters:
6 *         duration     - the duration of the animation
7 *        startOffset - the amount of scroll offset after it the animations kicks in
8 *        offsetY        - the offset from the top when the object is animated
9 *        lockBottom    - 'true' by default, set to false if you don't want your floating box to stop at parent's bottom
10 * $Version: 05.16.2009 r1
11 * Copyright (c) 2009 Yair Even-Or
12 * [email protected]
13 */
14(function($) {
15	 $.fn.stickyfloat = function(options, lockBottom) {
16	 	var $obj                 = this;
17		var parentPaddingTop     = parseInt($obj.parent().css('padding-top'));
18		var startOffset         = $obj.parent().offset().top;
19		var opts                 = $.extend({ startOffset: startOffset, offsetY: parentPaddingTop, duration: 200, lockBottom:true }, options);
20	 	$obj.css({ position: 'absolute'  });
21		
22		//$obj.css({ 'margin-top': 95  });
23		
24 
25	 	if(opts.lockBottom){
26			 var bottomPos = $obj.parent().height() - $obj.height() + parentPaddingTop; //get the maximum scrollTop value
27			 if( bottomPos < 0 )
28				 bottomPos = 0;
29		}
30 
31		 $(window).scroll(function () {
32
33			 $obj.stop(); // stop all calculations on scroll event
34		 
35			 var pastStartOffset            = $(document).scrollTop() > opts.startOffset;    // check if the window was scrolled down more than the start offset declared.
36			 var objFartherThanTopPos    = $obj.offset().top > startOffset;    // check if the object is at it's top position (starting point)
37			 var objBiggerThanWindow     = $obj.outerHeight() < $(window).height();    // if the window size is smaller than the Obj size, then do not animate.
38			 
39 				
40			 // if window scrolled down more than startOffset OR obj position is greater than
41			 // the top position possible (+ offsetY) AND window size must be bigger than Obj size
42			 if( (pastStartOffset || objFartherThanTopPos) && objBiggerThanWindow ){
43				 
44				 var newpos = ($(document).scrollTop() -startOffset + opts.offsetY );
45			 
46				 if ( newpos > bottomPos )
47				 newpos = bottomPos;
48				
49				 if ( $(document).scrollTop() < opts.startOffset )  // if window scrolled < starting offset, then reset Obj position (opts.offsetY);
50				 newpos = parentPaddingTop;
51				 $obj.animate({ top: newpos },  opts.duration );
52				 
53				 
54			 }
55		 });
56	 };
57})(jQuery);
58
59jQuery(document).ready(function($){
60	 if( $('.menu-sidebar').length ) {
61		 $('.menu-sidebar').stickyfloat({ duration: 0, stickToBottom: true/*, startOffset : 350*/ });
62	 }
63});