JSFiddle - React, Tailwind, and code Playground

HTML

<p>Click the button to trigger a function that will output "Hello World" in a p element with id="demo".</p>

<button onClick="myFunction()">Click me</button>
 <p id="demo" style="display:inline-block"></p>

JavaScript

function myFunction() 
{
    document.getElementById("demo").innerHTML = "Hello World";
}