https://www.ruhrbuehnen.de/static/20260928054123/site/js/jquery.scrollstop.js

1/* http://james.padolsey.com/javascript/special-scroll-events-for-jquery/ */
2
3(function(){
4    
5    var special = jQuery.event.special,
6        uid1 = 'D' + (+new Date()),
7        uid2 = 'D' + (+new Date() + 1);
8        
9    special.scrollstart = {
10        setup: function() {
11            
12            var timer,
13                handler =  function(evt) {
14                    
15                    var _self = this,
16                        _args = arguments;
17                    
18                    if (timer) {
19                        clearTimeout(timer);
20                    } else {
21                        evt.type = 'scrollstart';
22                        jQuery.event.handle.apply(_self, _args);
23                    }
24                    
25                    timer = setTimeout( function(){
26                        timer = null;
27                    }, special.scrollstop.latency);
28                    
29                };
30            
31            jQuery(this).bind('scroll', handler).data(uid1, handler);
32            
33        },
34        teardown: function(){
35            jQuery(this).unbind( 'scroll', jQuery(this).data(uid1) );
36        }
37    };
38    
39    special.scrollstop = {
40        latency: 300,
41        setup: function() {
42            
43            var timer,
44                    handler = function(evt) {
45                    
46                    var _self = this,
47                        _args = arguments;
48                    
49                    if (timer) {
50                        clearTimeout(timer);
51                    }
52                    
53                    timer = setTimeout( function(){
54                        
55                        timer = null;
56                        evt.type = 'scrollstop';
57                        jQuery.event.handle.apply(_self, _args);
58                        
59                    }, special.scrollstop.latency);
60                    
61                };
62            
63            jQuery(this).bind('scroll', handler).data(uid2, handler);
64            
65        },
66        teardown: function() {
67            jQuery(this).unbind( 'scroll', jQuery(this).data(uid2) );
68        }
69    };
70    
71})();