gistfile1.js

<script>
    $(document).ready(function() {
        $(document).on("page:update", function() {           
            var config = {
                '.chosen-select'           : {},
                '.chosen-select-deselect'  : {allow_single_deselect:true},
                '.chosen-select-no-single' : {disable_search_threshold:10},
                '.chosen-select-no-results': {no_results_text:'Oops, nothing found!'},
                '.chosen-select-width'     : {width:"95%"}
            };
            
            for (var selector in config) {
                $(selector).chosen(config[selector]);
            }
        });
    });
</script>