JSFiddle - React, Tailwind, and code Playground

HTML

<table>
     <tr>
           <td class = "numeric">0</td>
           <td class = "numeric">2</td>
           <td class = "numeric">3</td>
           <td class = "numeric">1</td>
           <td class = "numeric">4</td>
           <td class = "numeric" id="city3"></td>
    </tr>
</table>

JavaScript

var total = 0;

$('td.numeric').each(function() {
    var textValue = $(this).text();
    if(textValue != '') {
        total += parseInt(textValue);  
    }
});

alert(total); // alerts the total sumed up