document
    .querySelectorAll('td')
    .forEach((td) => {
        td.addEventListener("click", (ev) => {
            const siblings = ev.target.closest("tr").querySelectorAll("td");
            console.log(siblings[0].innerHTML);
            console.log(siblings[1].innerHTML);
            console.log(siblings[7].innerHTML);
        })
    });

http://kod.djpw.cz/eugd