JSFiddle - React, Tailwind, and code Playground

HTML

<table>
<tr><td>11</td><td><button>click me</button></td></tr>
<tr><td>11</td><td><button>click me</button></td></tr>
<tr><td>11</td><td><button>click me</button></td></tr>
<tr><td>11</td><td><button>click me</button></td></tr>
<tr><td>11</td><td><button>click me</button></td></tr>
<tr><td>11</td><td><button>click me</button></td></tr>
</table>

CSS

table, td {
  border:solid 1px black
}

JavaScript

$('button').on('click', function() {
	$(this).closest('tr').find('td:eq(0)').text('aaaaa')
});