JSFiddle - React, Tailwind, and code Playground

HTML

<label for="myinput">Say something</label>
<input id="myinput" type="text" placeholder="I'm giving up on you" />

<div id="output"></div>

JavaScript

const inputEl = document.getElementById('myinput');
const outputEl = document.getElementById('output');

inputEl.addEventListener('change', () => {
	outputEl.innerText = inputEl.value;
});