Only allow 1 category term to be selected

jQuery(function() {
    var catfield = document.querySelectorAll('#rolechecklist input');

    // Loop to only allow 1 choice
    catfield.forEach((item)=>{
        item.addEventListener('change', function() {
    
            // on check, uncheck others
            if(this.checked){
                document.querySelectorAll('#rolechecklist input:checked').forEach(i => (i.checked = false) );
                this.checked = true;
            }
            
            // get current checked value
            var checked_value = this.parentElement.textContent.replace(/\s/g, "");
    
            var display_languages = 'block';

            // Hide Language taxonomy if checked item isn't "Expert"
            if (this.checked && checked_value !== "Expert") {
                display_languages = 'none';
            }
    
            document.querySelector('#expert_languagediv').style.display = display_languages;
        });
    })
})