JSFiddle - React, Tailwind, and code Playground
HTML
<table>
<tr>
<td class="supplierOrderId">10790</td>
<td class="revision_id">#7</td>
<td class="supplier">DGI Developpement </td>
<td class="quantity">80</td>
<td class="stock">0</td>
<td class="purchase_price">10.00</td>
<td class="comments"></td>
</tr>
</table>
JavaScript
var id = parseInt($(".revision_id").text().match(/[0-9]+/g)[0]);
console.log(id);