JSFiddle - React, Tailwind, and code Playground

HTML

<table border="1" id="table_id">
<tr>
<td>Squares</td>
<td>TeamA<br>1</td>
<td>TeamA<br>2</td>
<td>TeamA<br>3</td>
<td>TeamA<br>4</td>
<td>TeamA<br>5</td>
<td>TeamA<br>6</td>
<td>TeamA<br>7</td>
<td>TeamA<br>8</td>
<td>TeamA<br>9</td>
<td>TeamA<br>0</td>
</tr>

<tr>
<td>TeamZ<br>3</td>
<td bgcolor="#89ff89" >Mark</td>
<td bgcolor="#89ff89" >John</td>
</tr>

<tr>
<td>TeamZ<br>5</td>
<td bgcolor="#89ff89" >Mike</td>
<td bgcolor="#89ff89" >Earl</td>
</tr>

<tr>
<td>TeamZ<br>8</td>
<td bgcolor="#89ff89" >Morris</td>
<td bgcolor="#89ff89" >Brice</td>
</tr>

<tr>
<td>TeamZ<br>7</td>
<td bgcolor="#89ff89" >Taylor</td>
<td bgcolor="#89ff89" >Evan </td>
</tr>

<tr>
<td>TeamZ<br>9</td>
<td bgcolor="#89ff89" >Mandy</td>
<td bgcolor="#89ff89" >Mitch</td>
</tr>

<tr>
<td>TeamZ<br>2</td>
<td bgcolor="#89ff89" >Tony</td>
<td bgcolor="#89ff89" >Jennifer</td>
</tr>

<tr>
<td>TeamZ<br>1</td>
<td bgcolor="#89ff89" >Kristen</td>
<td bgcolor="#89ff89" >Hector</td>
</tr>

<tr>
<td>TeamZ<br>4</td>
<td bgcolor="#89ff89" >Gabby</td>
<td bgcolor="#89ff89" >David</td>
</tr>

<tr>
<td>TeamZ<br>6</td>
<td bgcolor="#89ff89" >George</td>
<td bgcolor="#89ff89" >Steffanie</td>
</tr>

<tr>
<td>TeamZ<br>0</td>
<td bgcolor="#89ff89" >Breck</td>
<td bgcolor="#89ff89" >Terry</td>
</tr>

</table>

JavaScript

$('#table_id td').each(function() {
    if ($(this).text() == 'Mitch') {
        $(this).closest('td').css('background-color', '#f00');
    }
});