JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://raw.github.com/guillaumepotier/Parsley.js/master/parsley.js"></script>
<form id="form" action="#">
    <div class="row">
        <label for="name">Name:</label>
        <input type="text" placeholder="Your name" parsley-required="true" />
    </div>
    <div class="row">
        <input type="submit" value="Validate" />
    </div>
</form>

JavaScript

$( '#form' ).parsley({
    messages: {
    	required: 'LABEL VALUE HERE + Error message'
    } 

});