JSFiddle - React, Tailwind, and code Playground

HTML

<select multiple size="2">
       <optgroup label="fruit">
            <option value="pomme">pomme</option>
            <option value="kiwi">kiwi</option>
       </optgroup>
       <optgroup label="exotique">
            <option value="kiwi">kiwi</option>
       </optgroup>
 </select>

JavaScript

$("select").on('change', function(){
var val=$(this).val();
    $(this).find("option[value="+val+"]").attr("disabled",true);

});