JSFiddle - React, Tailwind, and code Playground
HTML
<table>
<tr><td>foo</td></tr>
<tr><td>bar</td></tr>
<tr><td>[email protected]</td></tr>
</table>JavaScript
var rows = document.getElementsByTagName("table")[0].rows;
var last = rows[rows.length - 1];
var cell = last.cells[0];
var value = cell.innerHTML;
alert(value);