JSFiddle - React, Tailwind, and code Playground

HTML

<table>
<tr>
<th>heading1</th>
<th id="0">heading2</th>
<td>data1</td>
<td>data2</td>
<td>data3</td>
<td>data4</td>
<td>data5</td>
<td>data6</td>
</tr>
<tr>
<th>heading11</th>
<th id="1">heading12</th>
<td>data1</td>
<td>data2</td>
<td>data3</td>
<td>data4</td>
<td>data5</td>
<td>data6</td>
</tr>
</table>

JavaScript

var dataa=$("th#0").siblings('td');
dataa.on('click', function(){
    alert("clicked");
});