JSFiddle - React, Tailwind, and code Playground

JavaScript

var dfom = document.createElement("div"),
    button = document.createElement("input");

button.type = "button";
button.value = "Say HI";
button.addEventListener("click", function() {
    alert("HI");
}, false);

dfom.id = "options";
dfom.style.padding = "10px";
dfom.appendChild(button);

document.body.insertBefore(dfom, document.body.firstChild);