JSFiddle - React, Tailwind, and code Playground

HTML

<SELECT ID="pizzasize" NAME="pizzasize">
<OPTION VALUE="s">small
<OPTION VALUE="m">medium
<OPTION VALUE="l">large
</SELECT>

<button id="detach">Detach</button>
<button id="reattach">Reattach</button>

JavaScript

$('#clone').click(function() { 
       $('#pizzasize > option[value*="m"]').detach();
    });