JSFiddle - React, Tailwind, and code Playground

HTML

<button class="add-btn">add</button>
<textarea id="my-textarea"></textarea>
<table id="my-table">
<tr>
<td>1</td>
<td>Lalka</td>
</tr>
<tr>
<td>1</td>
<td></td>
</tr>
</table>

JavaScript

$(document).ready(function(){
    var counter = 1;
    $('.add-btn').click(function(){
        var text = $('#my-textarea').val();
        $('#my-table').append('<tr><td>'+counter+'</td><td>'+text+'</td></tr>');
        counter++;
    }); 
});