JSFiddle - React, Tailwind, and code Playground

HTML

<html>
    
    <head>
        <script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
    </head>
    
    <body>
        <form>
            <input type="text" placeholder="input" required />
            <input type="text" placeholder="input" />
        </form>
    </body>

</html>

CSS

input {
    color:black;
}
[required] {
    color:red;
}

JavaScript

$(document).ready(function () {
    setTimeout(function () {
        $("input").val("");
    }, 3000);
});