JSFiddle - React, Tailwind, and code Playground

HTML

<div id="output"/>

JavaScript

function Hero {}

Hero.prototype.makeEvilClone = function () {
	Hero.prototype = this;
	return new Hero();
}

var Hero = new Hero();
Hero.catchPhrase = 'I got this!';

var EvilClone = Hero.makeEvilClone();
console.log(EvilClone.catchPhrase);

document.getElementById('output').innerText += EvilClone.catchPhrase;