JSFiddle - React, Tailwind, and code Playground
HTML
<select>
<option value="yes">Yes</option>
<option value="no" selected>No</option>
<option value="maybe">Maybe</option>
</select>
JavaScript
//- Change the currently selected item
$("select").val("maybe");
//- Get the originally selected item
var orig = $("select option").filter(function () {
return this.defaultSelected;
}).prop("value");
alert("Current value is maybe, Original value was "+ orig)