$(document).ready(function () { $('#size_id').select2({ placeholder: 'Select a size', // Add a placeholder if needed allowClear: true, // Optional: allows clearing the selection });

// Add an event listener for the "open" event
$('#size_id').on('select2:open', function () {
    // Target the search input field in Select2 and focus on it
    document.querySelector('.select2-search__field').focus();
});

});

Replacfe your search Id with the "size_id" , cheers !!!