Bigcommerce cart number only in span

bigcommerce cart number

<script type="text/javascript">
    jQuery(document).ready(function(){
    var carticon = jQuery('.TopMenu .CartLink span');
    var carttext = carticon.text();
    var cartnumber = carttext.replace(/\D/g,'');
    carticon.text( cartnumber );
    });
    
    $( document ).ajaxComplete(function() {
    var carticon = jQuery('.TopMenu .CartLink span');
    var carttext = carticon.text();
    var cartnumber = carttext.replace(/\D/g,'');
    carticon.text( cartnumber );
    });
    
</script>