JSFiddle - React, Tailwind, and code Playground

HTML

<table id="content">

</table>

JavaScript

var newTH = document.createElement('th');
newTH.innerHTML = 'Hello, World!';
newTH.onclick = function () {
    this.parentElement.removeChild(this);
};

var table = document.getElementById('content');
table.appendChild(newTH);