JSFiddle - React, Tailwind, and code Playground

HTML

<html>
<head>
    <script src="http://ajax.microsoft.com/ajax/jquery/jquery-1.3.2.min.js" type="text/javascript"></script>
    <script type="text/javascript">
            $(document).ready(function(){
                    $('#combo').change(function(){
                     $("#combo option:selected").text();
                   alert('Value change to ' + $(this).attr('value'));
            });
        });
    </script>
</head>
<body>
    <select id="combo" name="ddl">
        <option value="1">Test 1</option>
        <option value="2">Test 2</option>
        <option value="3">Test 3</option>
        <option value="4">Test 4</option>
        <option value="5">Test 5</option>
        <option value="6">Test 6</option>
        <option value="7">Test 7</option>
    </select>
</body>
</html>