let LogIn = document.querySelector("#LogIn"); let Password = document.querySelector("#Password"); let Button = document.querySelector("button"); if (Button) { Button.onclick = function () { if (LogIn && Password) { Sender.Go(postLogin, "/login", { Login: LogIn.value, Password: Password.value }); } }; } function postLogin(answer) { if (answer.Result && answer.Result == true) { alert("Привет, " + answer.Name); location.href = "/"; } else { Notify.Show("Неверный логин/пароль"); } }