JSFiddle - React, Tailwind, and code Playground

HTML

<div id="cca" class="leaf">
     <label class="control input text" title="">
        <span class="wrap">cca</span>
         <input class="" type="text" value="[Null]"/>
        <span class="warning"></span>
     </label>
</div>

JavaScript

$(document).ready(function () {        
    alert("hello");        
    $("#cca").on('focusout', 'label.control input', function (event) {
        alert('I am pretty sure the text box changed');
        event.preventDefault();
    });
});