Filterjs.js

var fJS;
jQuery(document).ready(function($) {

   $('#category_all, #nonprofit_all, #price_all').closest('ul').children().find(':checkbox').attr('checked', true);

   $('#category_all, #nonprofit_all, #price_all').click(function(){
     $(this).closest('ul').children().find(':checkbox').attr('checked', $(this).is(':checked'));
   });
   fJS = filterInit();
});


function filterInit(){
var view = function(event_detail){
   clear     = this.div({'class': 'clear'});
   title   = this.div({'class': 'title'}, event_detail.name);
   date    = this.div({'class': 'dates'}, event_detail.date_start);
   event_list  = this.div({'class' : 'event_list'} , [title, date, clear]);
   return this.link('/demo/' + event_detail.event_id ,{'title': event_detail.name}, event_list);

  };


  var filter_callbacks = {
    logger: function(result){
        console.log(result);
    },

    show_result_count: function(result){
        $('.result_count').text('Found : ' + result.length);
    },

    tiny_sort: function() {
       $('a[data-fjs]').tsort('.fs_head:visible', {order: 'asc'})
    }

  };

  var settings = {
      filter_criteria: {
          category: ['#category_list input:checkbox .EVENT.click .SELECT.:checked', 'category_id'],

          },
       search: {input: '#search_box' },
       and_filter_on: true, //If any filter selection is zero then select none. For 'OR' filter set 'false'
       callbacks: filter_callbacks //Filter callback execute in filter init and each filtering event.
  };



    return FilterJS(events, "#event_listing", view, settings);


}