JSFiddle - React, Tailwind, and code Playground

HTML

<button id="click">
Click 
</button>
<button id="click2">
Click 2
</button>
<div id="results">
Hello
</div>

JavaScript

document.getElementById('click').onclick = function()
{
 var a = document.createElement('h3');
 var b = document.createTextNode('This is some text!');
 a.appendChild(b);
 document.getElementById('results').appendChild(a);
}

document.getElementById('click2').onclick = function()
{
var a = document.createTextNode('This is some other text');
var b = document.createElement('h3');
var c = "";
b.appendChild(a);
c + =b

document.getElementById('results').innerHTML = c;

}