JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.aspnetcdn.com/ajax/jquery.validate/1.10.0/jquery.validate.min.js"></script>
    <form class="contact-form" type="post" action="">
        <input type="text" name="first_name" id="first_name" class="required" />
        <input type="text" name="last_name" id="last_name" class="required" />
        <input type="email" name="email" id="email" class="required email" />
        <input type="submit" />
        <div class="form-errors"></div>
    </form>

JavaScript

$(".contact-form").validate({
        showErrors: function(errorMap, errorList) {
            $(".form-errors").html("All fields must be completed before you submit the form.");
        }
    });