JSFiddle - React, Tailwind, and code Playground

HTML

<table id="tbl">
<tr><td>Title</td><td></td></tr>
    <tr>
    <td><input type="text" name="test" /> </td>
        <td>
            <input type="button" class="btnAddRow" value="Add Row" />
        </td>
    </tr>
</table>

JavaScript

$(document).on("click", ".btnAddRow", function(){
    var row = $(this).parent().parent().clone();
    $("#tbl").append(row);
});