JSFiddle - React, Tailwind, and code Playground

HTML

<select id="my_select" data-default="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 () {
        var $select = $('#my_select');
        $select.val($select.data('default'));
    });