https://skywaystudios.tv/wp-content/themes/sky-way/js/gallery.js?ver=1.1

1$( function() {
2  var $grid = $('.grid').isotope({
3    itemSelector: 'article'
4  });
5
6  // filter buttons
7  $('.filters-button-group').on( 'click', 'button', function() {
8    var filterValue = $( this ).attr('data-filter');
9    $grid.isotope({ filter: filterValue });
10  });
11  $('.button-group').each( function( i, buttonGroup ) {
12    var $buttonGroup = $( buttonGroup );
13    $buttonGroup.on( 'click', 'button', function() {
14      $buttonGroup.find('.is-checked').removeClass('is-checked');
15      $( this ).addClass('is-checked');
16    });
17  });
18});
19
20// debounce so filtering doesn't happen every millisecond
21function debounce( fn, threshold ) {
22  var timeout;
23  return function debounced() {
24    if ( timeout ) {
25      clearTimeout( timeout );
26    }
27    function delayed() {
28      fn();
29      timeout = null;
30    }
31    timeout = setTimeout( delayed, threshold || 100 );
32  }
33}
34
35$(window).bind("load", function() {
36  $('.filters-button-group .is-checked').click();
37});