JSFiddle - React, Tailwind, and code Playground

HTML

<textarea id="test"></textarea>
<div id="log"></div>

JavaScript

window.onload = function() {
    
    var ta = document.getElementById('test');   
    var log = document.getElementById('log');  
    
    ta.oninput = function() {
        log.innerHTML = "value=[" + ta.value + "]<br>" + log.innerHTML;            
    }
}