JSFiddle - React, Tailwind, and code Playground

by b9chris

HTML

<select selectedIndex=0>
<option>One</option>
<option>Two</option>
</select>

<button>Check selectedIndex</button>
<div id=output></div>

CSS

body {
    font: 10pt Verdana;
}

button {
    display: block;
}

JavaScript

$('button').click(function() {
    $('#output').text('selectedIndex: ' + $('select').attr('selectedIndex'));
});