JSFiddle - React, Tailwind, and code Playground

HTML

<table id="myTable">
  <tr>
     <th>This One</th>
     <th>That One</th>
     <th>The Other One</th>
  </tr>
   <tbody id="myid">
    <tr><td>Final This</td><td>Final That</td><td>Final The Other---------Last</td></tr>
   </tbody>
    </table>
    <br><button onclick="myCreateFunction()">Add row</button>

JavaScript 1.7

function myCreateFunction() {
    var table = document.getElementById("myid");
    var row = table.insertRow(0);
    var cell1 = row.insertCell(0);
    var cell2 = row.insertCell(1);
    var cell3 = row.insertCell(2);
    cell1.innerHTML = "Final This";
    cell2.innerHTML = "Final That";
    cell3.innerHTML = "Your final";
}