JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button"
onclick="$('<tr><td >df</td></tr>').appendTo('#CT5');" value="fff">
<table>   
    <tr id="CT4"><br></tr>
    <tr id="CT5">5<br></tr>
    <tr id="CT6">6</tr>
</table>