JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td>nazov...........</td>
        <td> <a href="#" class="klik">
        Detaily
      </a>

        </td>
        <td>
            <form action="#" method="post">
                <input type="submit" value="podvrdit" />
            </form>
        </td>
    </tr>
    <tr>
        <td class="detaily" style="background-color:#CCC; height:150px" colspan="3">detaily</td>
    </tr>
    <tr>
        <td>nazov...........</td>
        <td> <a href="#" class="klik">
        Detaily
      </a>

        </td>
        <td>
            <form action="#" method="post">
                <input type="submit" value="podvrdit" />
            </form>
        </td>
    </tr>
    <tr>
        <td class="detaily" style="background-color:#CCC; height:150px" colspan="3">detaily</td>
    </tr>
    <tr>
        <td>nazov...........</td>
        <td> <a href="#" class="klik">
        Detaily
      </a>

        </td>
        <td>
            <form action="#" method="post">
                <input type="submit" value="podvrdit" />
            </form>
        </td>
    </tr>
    <tr>
        <td class="detaily" style="background-color:#CCC; height:150px" colspan="3">detaily</td>
    </tr>
</table>

JavaScript

$('.detaily').hide();

$('.klik').click(function () {
    $(this).parent().parent().next().find(".detaily").slideToggle();
    return false;
});