JSFiddle - React, Tailwind, and code Playground

HTML

<select id="multiselect" multiple="multiple">
  <option value="pedra">Pedra</option>
  <option value="papel">Papel</option>
  <option value="tesoura">Tesoura</option>
</select>

JavaScript

$(document).ready(function()
{
    $("#multiselect").on("click", "option", function() {
        var clickedOption = $(this);
        alert(clickedOption.val());
    });
});