JSFiddle - React, Tailwind, and code Playground
HTML
<div class="output"></div>
JavaScript
function Drinks(kinds) {
this.kinds = kinds;
}
Drinks.prototype.buyADrink = function() {
return this.kinds.pop();
};
var rootbeers = new Drinks(["mug","a&w","dad's","wal-mart brand"]);
var colas = new Drinks(["pepsi","coca-cola","royal crown"]);
alert(rootbeers.buyADrink());
$(".output").text(rootbeers.buyADrink());