JSFiddle - React, Tailwind, and code Playground

HTML

<table border="1">
   <tr>
      <td><input type="button" class="insertButton" value="Go"/></td>
      <td>Hello World</td>
   </tr>
</table>

JavaScript

$(document).ready(function(){

    var i=0;
    $('.insertButton').live('click', function(){
    i++;
    var row = $(this).closest('tr').clone()+i;
    $(this).closest('table').append(row);
    });

});