JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" id="23" value="Something" readonly />

<div id="kevs-button">Button</div>

CSS

#kevs-button {
  background-color: orange;
  padding: 5px;
  width: 100px;
}
#kevs-button:hover {
  cursor: pointer;
}

JavaScript

document.getElementById("kevs-button").addEventListener("click", displayNewValue);
  
function displayNewValue() {
	document.getElementById('23').value="Something else";
}