JSFiddle - React, Tailwind, and code Playground

HTML

<select id="my_select" data-default-value="b">
    <option value="a">a</option>
    <option value="b" selected="selected">b</option>
    <option value="c">c</option>
</select>
<div id="reset">reset</div>

JavaScript

$("#reset").on("click", function () {
        $("#my_select").val($("#my_select").data("default-value"));
        // What dio here?
    });