JSFiddle - React, Tailwind, and code Playground

HTML

<body>
    Space Jam?
    <ul id="RockOut">
    </ul>
</body>

CSS

ul li {
    font-size: 50px;
}

JavaScript

var messages = {
    uno: "Come",
    dos: "On",
    tres: "And",
    cuatro: "Slam"
}

var list = document.getElementById('RockOut');

function hitIt(){
    for (var key in messages) {
        var el = document.createElement('li');
        el.innerHTML = messages[key];
        list.appendChild(el);
    }
}

hitIt()