JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://cssglobe.com/lab/charcount/charCount.js"></script>
<form id="myForm">
<input class="message-form" type="text" width="10" />
<input class="message-form" type="text" width="10" />
<input class="message-form" type="text" width="10" />
</form>

JavaScript

$("#myForm").on("focusin", '.message-form', function() {
    $(this).next("span.counter").remove();
    $(this).charCount({
        allowed: 140,
        warning: 20
    });
}); // on