JSFiddle - React, Tailwind, and code Playground

HTML

<table id="mytable" border="1">  
    <tr><th>Column1</th><th>Column2</th><th>Column3</th><th>Column4</th></tr>
    <tr class="data"><td>1st</td><td>1.1</td><td></td><td>1</td></tr>
    <tr class="data"><td>2nd</td><td>2.01</td><td></td><td>2</td></tr>  
    <tr class="data"><td>3rd</td><td>3.001</td><td></td><td>3</td></tr>  
    <tr class="data"><td>4th</td><td>4.01</td><td></td><td>4</td></tr>
</table>

JavaScript

$('table#mytable tr').each(function() {
    if ($(this).children('td:empty').length === $(this).children('td').length) {
        $(this).hide();
    }
});