JSFiddle - React, Tailwind, and code Playground

HTML

<table id="myTable">
    <thead>
        <tr>
            <th>Name</th><th>Lastname</th>
        </tr>
    </thead>
    
    <tbody>
        <tr>
            <td>Zuri</td><td>Mam</td>
        </tr>
        <tr>
            <td>Dima</td><td>Mam</td>
        </tr>
        <tr>
            <td>Dato</td><td>Mik</td>
        </tr>
        <tr>
            <td>AMD</td><td>Phen</td>
        </tr>
    </tbody>
</table>
<button id="hide">Filter by First letter D</button>
<button id="showAll">Show All</button>

JavaScript

$("#hide").click( function() { $("#myTable tr:not(:has(th))").not(":contains(D)").hide();
                              });
$("#showAll").click( function() { $("#myTable tr:not(:has(th))").show() });