JSFiddle - React, Tailwind, and code Playground

HTML

<script type="text/javascript">
 alert($('td[id="4"]').parents().eq(0).attr("id"));
</script>
<table id="Table1" >

        <tr id="tr1">
            <td id="3" class="cell" >
               first cell 
            </td>
            <td id="4" class="cell">
            second cell
            </td>
        </tr> 

</table><script type="text/javascript">
 alert($('td[id="4"]').parents().eq(0).attr("id"));
</script>