JSFiddle - React, Tailwind, and code Playground
HTML
<button id="add">CLICK ME</button>
<table>
<tr>
<td>11</td>
<td>12</td>
</tr>
<tr>
<td>21</td>
<td>22</td>
</tr>
</table>
<div class="test">
Любой текст.
</div>
JavaScript
var div = document.querySelector(".test");
function cloneDiv(div){
return div.cloneNode(true);
}
document.getElementById("add").onclick = function(){
var td = document.querySelectorAll("td");
for(var i = 0, l = td.length; i < l; i++){
td[i].appendChild(cloneDiv(div));
}
div.parentNode.removeChild(div);
}