https://www.cabletiesandmore.com/js/bootstrap-responsive-events.js

1(function($, document, window, viewport){
2
3    var _CurrentViewPortSize;
4
5    // Executes once whole document has been loaded
6    $(document).ready(function() {
7        
8        _CurrentViewPortSize = viewport.current();
9
10        $(window).trigger('ViewportLoad', [_CurrentViewPortSize]);
11
12    });
13
14    // Whenever the window is resized
15    $(window).resize(
16        // Check if the viewport changed
17        viewport.changed(function(){
18            // Now check if the viewport state has changed
19            if(_CurrentViewPortSize !== viewport.current())
20            {
21                _CurrentViewPortSize = viewport.current();
22                
23                $(window).trigger('ViewportChange', [_CurrentViewPortSize]);
24            }
25        })
26    );
27
28})(jQuery, document, window, ResponsiveBootstrapToolkit);