JSFiddle - React, Tailwind, and code Playground

by Santosh Giridhara

HTML

<button id='btn' class='btnClass' onclick='myFunction()'>
0
</button>

CSS

.btnClass {
    width:96px
    height:48px;
    font-size:24px;
}

JavaScript

function myFunction() {
  document.getElementById("btn").value = "Hello World";
}