JSFiddle - React, Tailwind, and code Playground

HTML

<button onclick='add()'>
  add
</button>
<table>
  <tr>
    <th>content</th>
    <th>delete</th>
  </tr>
  <tbody>
    <tr>
      <td>Something</td>
      <td>
        <button onclick='rm()'>
          remove
        </button>
      </td>
    </tr>
  </tbody>
</table>

JavaScript

function rm() {
  $(event.target).closest("tr").remove();
}

function add() {
  $("table").append("<tr><td>New Thing</td><td><button onclick='rm()'>remove</button></td></tr>");
}