Preselecting and Locking an Option in a Selectize.js Multi-Select Dropdown with jQuery

<script>
    jQuery(document).ready(function( $ ) {
        // Function to set and lock the value
        function setAndLockSelectize() {
            var selectize = $('#bp-blog-category-select')[0].selectize;

            // Clear any previous selections
            selectize.clear();

            // Add and select the value '81'
            selectize.addOption({value: '81', text: 'Member Blog'});
            selectize.addItem('81');

            // Lock the selectize control to prevent user interaction
            selectize.lock();
        }

        // Check if Selectize is initialized
        if ($('#bp-blog-category-select').hasClass('selectized')) {
            setAndLockSelectize();
        } else {
            // Wait for Selectize to initialize
            $('#bp-blog-category-select').one('selectize:initialize', function() {
                setAndLockSelectize();
            });
        }
    });
</script>