JSFiddle - React, Tailwind, and code Playground

HTML

<div id="box">Your Item:</div>
<button id="myBtn">Buy</button>

JavaScript

function Machine(n, p) {
  this.name = n;
  this.price = p;
}
var handle = document.getElementById('myBtn');
Machine.prototype.Dispatch = function () {
  var container = document.getElementById('box');
  container.innerHTML = this.name + " " + this.price;
}
var Drink = new Machine("coke", 80);
handle.addEventListener("click", Drink.Dispatch(), false);