fSelect

$('.your-select').fSelect();

$('.your-select').fSelect({
    placeholder: 'Select some options',
    numDisplayed: 3,
    overflowText: '{n} selected',
    noResultsText: 'No results found',
    searchText: 'Search',
    showSearch: true,
    showConfirm: true,
    activeRecall: function() {
        console.log('activeRecall');
        alert('activeRecall');

        return true;
    },
    
    inactiveRecall: function() {
        console.log('inactiveRecall');
        alert('inactiveRecall');

        return true;
    }
});

$('.your-select').fSelect('reload');
$('.your-select').fSelect('destroy');

<select class="your-select-box" multiple="multiple">