var prvBtnz = document.querySelectorAll(".Z3");

    for(var i = 0; i < prvBtnz.length; i++) {

        (function(a) {
            setTimeout(function() {
                var btn = prvBtnz[a];
                btn.click();

                (function(b) {
                    setTimeout(function() {
                        var row = b.closest('tr');
                        var host = row.querySelector(".h4").innerHTML;
                        var user = row.querySelector(".n4").innerHTML;
                        var pass = b.previousSibling.value;
                        console.log(`"${host}", "${user}", "${pass}"`);
                    }, 800);
                })(btn);
            }, 1000 * a);
        })(i);
    }