function show() {
        $.getJSON('/request.php?tabulka', function (data) {
            var body = $('table tbody');

            body.html(null);

            $.each(data, function (key, clovek) {
                body.html(`<tr id="${clovek.id}">` +
                    `<td id="id">${clovek.id}</td>` +
                    `<td id="name">${clovek.name}</td>` +
                    `<td id="admin">${clovek.admin}<button onclick="zmen(this.parentNode.parentNode.id)">Zmeniť</button></td>` +
                    `</tr>`);
            });
        });
    }

    function zmen(id) {
        $.getJSON(`request.php?zmen=${id}`, function (data) {
            if (data) {
                show();
            }
        });
    }