JSFiddle - React, Tailwind, and code Playground

by lborgman

HTML

<button id="btn">Click me</button>
<ul id="myUl">
    <li>one</li>
    <li>one</li>
    <li>one</li>
</ul>
<p>something</p>

CSS

ul { display: none; overflow: hidden; }

JavaScript

document.getElementById("btn").addEventListener("click", function() {
    var myUl = document.getElementById("myUl");
    myUl.style.height = 0;
    myUl.style.display = "block";
});