JSFiddle - React, Tailwind, and code Playground

HTML

<div id="console"></div><div id="hero"></div>

CSS

#hero{
    background-color: #f00;
    width: 20px;
    height: 20px;
}

JavaScript

var a=4;
if(1==3)
{
	a=a+1;
}
console.log("------------");
console.log("de waarde van a ="+ a);