JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tbody>
        <tr style="text-align:center">
            <td>1</td>
            <td>2</td>
            <td>3</td>
            <td style="width:50px">
                <input type="button" value="delete" class="btnDel" style="width:20px" onclick="DeleteRow(1)" />
            </td>
        </tr>
    </tbody>
</table>

JavaScript

function DeleteRow(btnDel) {
    var btn = event.target;
    $(btn).closest("tr").remove();
}