JSFiddle - React, Tailwind, and code Playground

HTML

<select id="example">
    <option value="0">Test0</option>
    <option value="1">Test1</option>
</select>

JavaScript

$("#example").val("0");
alert($("#example").val());
$("#example").val("1");
alert($("#example").val());
$("#example").val("2");
alert($("#example").val());