JSFiddle - React, Tailwind, and code Playground

HTML

<fieldset>
    <div id="my-custom-content" class="inline-edit-col-special_star">
        <label>
            <span class="title"><?php _e('Special Star', 'my-theme'); ?></span>
            <span class="input-text-wrap">
            <select name="term_meta[special_star]" id="special_star_val">
                <option value="0">No</option>
                <option value="1">Sì</option>
            </select>
            </span>
        </label>
    </div>
</fieldset>
<a href="#" class="editinline">Click</a>

JavaScript

jQuery('.editinline').click(function(){

    var now = 'Si';

    if (now.charAt(0)=='S') {now_i = '1';};
    if (now.charAt(0)=='N') {now_i = '0';};

    jQuery('#special_star_val').val(now_i);
});