JSFiddle - React, Tailwind, and code Playground

HTML

<table id="maintable" border="1">
    <tr>
        <td>ROWS</td>
    </tr>
    <tr>
        <td>ROWS</td>
    </tr>
    <tr>
        <td>ROWS</td>
    </tr>
</table>
<input type="button" value="add" id="addRows" />

JavaScript

$(function () {

    $("#addRows").click(function () {
        $("#maintable").append("<tr> <td> New Row</td> </tr>")
    });
})