JSFiddle - React, Tailwind, and code Playground

HTML

<table>
<tr>
    <td>Column 1</td>
    <td>Column 2</td>
</tr>
<tr>
    <td colspan="2">
        <div id="1" style="display:none">
        </div>
    </td>   
</tr>    
<tr>
    <td>Column 1</td>
    <td>Column 2</td>
</tr>
</table>

JavaScript

$('table tr').each(function (i, row) {
                console.log(i)//$(row).append("test");
                Row = $(row);
                if (Row.find("div:hidden").length == 1) {
                    $(Row).attr("display","none");
                }
            });