JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
    <input type="text" id="textfield">
</div>
<button type="button" id="button">Print</button>

JavaScript

$("#textfield").val("aaaa");
console.log($("#container").html());

$("#button").click(function() {
    console.log($("#container").html());
});