JSFiddle - React, Tailwind, and code Playground

HTML

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

JavaScript

var preval = $('#my_select').val();
   $("#reset").on("click", function () {
       $('#my_select option[value*="' + preval + '"]').prop('selected', true);
   });