JSFiddle - React, Tailwind, and code Playground
HTML
<input id="qwe" type="text" />
<p id="asd">_</p>
JavaScript
let qwe = document.getElementById("qwe");
let asd = document.getElementById("asd");
qwe.addEventListener("keypress", (event, sender) => {
asd.innerText = event.ctrlKey + " " + event.keyCode;
});