JSFiddle - React, Tailwind, and code Playground

HTML

<select id="1">
  <option value="volvo">Volvo</option>
  <option value="saab">Saab</option>
  <option value="mercedes">Mercedes</option>
</select>

<select id="2">
  <option value="volvo">Volvo</option>
  <option value="saab">Saab</option>
  <option value="mercedes">Mercedes</option>
</select>

JavaScript

$("select").change(function()
                   {
                
          $("select option").attr("disabled","");
        DisableOptions();
                       
                   });


function DisableOptions()
{

    $("select option").filter(function()
                                               {
                var bSuccess=false;
                var selectedEl=$(this);
                $("select option:selected").each(function()
                                                 {
                                                 
                                if($(this).val()==selectedEl.val())
                                {
                                   bSuccess=true;
                                return false;
                                }               
                        ;
                                                 });
                       return bSuccess;
               
                                               }).attr("disabled","disabled");   
                   
}