JSFiddle - React, Tailwind, and code Playground

HTML

<form action="test.php" method="POST">
    <select name="value" id="value" onchange="this.form.submit()">
        <option value="blue">blue</option>
        <option value="green">green</option>
        <option value="red">red</option>
        <option value="yellow">yellow</option>
    </select>
</form>