JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
    <p>Test</p>
    <p>Test 2</p>
    <p>Test 3</p>
</div>
<button id="add">Add new paragraph</button>

JavaScript

document.getElementById("container").onclick = function(e) {
    alert(e.target.innerHTML);
};


document.getElementById("add").onclick = function() {
    var p = document.createElement("p");
    p.innerHTML = "a new paragraph";
    document.getElementById("container").appendChild(p);

};