JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://code.jquery.com/jquery-1.11.1.min.js"></script>
<select name="youselectbox" id="selectme">
<option value="w">Option 1</option>
<option value="w">Option 2</option>
<option value="d">Option 3</option>

</select>

JavaScript

$(document).ready(function()
{

    $("#selectme").prop("selectedIndex", 1);

});